We have provided Electric Charges and Fields Class 12 Physics MCQs Questions with Answers to help students understand the concept very well. Field lines are close together near the poles. (d) zero, Question 11. An electronic switch designed to sink current through its signal wire is alternatively referred toas an NPN switch due to the type of transistor used in its output. (c) Magnetic susceptibility (a) N-1m-2C-2 (c) Coulomb/newton A current carrying power line carries current from west to east. (b) 2B (c) both a net force and torque MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. The magnetic field at the centre of a current carrying circular loop is B. (a) \(\frac{}{2_0r^2}\) Now customize the name of a clipboard to store your clips. Hi, Right now i am facing some problems with Print/Pdf options. With the help of the given MCQ Questions, you can effectively prioritize the topics for easier understanding. Hey Guys, This is my PPT made for Class X FA - 1 Group Activity ! (d) logarithmic, Question 17. The important concepts are highlighted so that students will be able to frame proper answers to the questions that would appear in the exams. Properties of Magnetic Field Lines. thanks, Your Mobile number and Email id will not be published. (c) L/4 (b) 1 Mm-1 (c) emerge in circular paths from the middle of the bar (b) time The Diesel Locomotive Factory, Marhowrah is a joint venture of General Electric of the US with Indian Railways. (d) None, Question 6. (a) \(\frac{B}{2}\) (c) ferrimagnetic Quantisation of charge implies: Question 1. On quadrupling the moment of inertia of a magnet, its frequency of oscillation will become: The LC Resonant oscillator generates a designed resonant oscillations continuously. (b) more than that of earth (a) metre/volt (b) double The belt of a Vande Graaf generator gets charge by : (c) Electrostatic energy energy and charge remains conserved If you have any queries regarding Electric Charges and Fields CBSE Class 12 Physics MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. Further, the solutions for each chapter are created by subject matter experts having vast experience in teaching the subject. (d) All the above, Question 4. (c) remains unchanged (c) horizontal component of earths magnetic field is present Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. The force between two parallel wire 2 10-7 Nm-1, placed 1 m apart to each other in vacuum. (c) 3.2 1018ms-2 (b) the presence of a large magnet at the centre of the earth Students can find chapter-wise NCERT Solutions for Class 6 Social Science subjects in the links below. (d) None of these, Question 26. The solutions provided here are in PDF format which can be downloaded and accessed by the students effortlessly. Three charges + 3q + q and Q are placed on a st. line with equal separation. Understand the environmental advantages of electric vehicles. What matters most is not the time spent learning but how effectively students grasp and retain the key concepts. Load Cell Working Animation. A magnet is always bipolar with poles named north and south poles. (c) 6.25 1019 (c) get killed instantaneously What will be direction of magnetic field 1 meter above it? It appears that you have an ad-blocker running. (d) None of the above, Question 7. Find below the links to access the PDF format of the NCERT Solutions for Class 6 for subjects like History, Civics and Geography. The dimensional representation of magnetic flux density is : (a) are produced only at north pole like rays of light from a bulb (d) Nm-1, Question 16. so much thankful to all the teachers who help the scholars by any means without any profit . \(\vec{F} \) = (\(\frac{1}{4_n}\)) (\(\frac{q_1q_2}{r^2}\))\(\vec{r} \) Clipping is a handy way to collect important slides you want to go back to later. It is very important for the students to know about the earth that we live in, right from smaller classes. unit of flux is : (c) E to W A magnetic dipole moment is a vector quantity directed from: (a) at the surface of a conductor Learn more about different types of electric vehicles. GATE Syllabus includes topics and sub-topics from undergraduate engineering subjects. The number of electron-taken out from a body to produce 1 coulomb of charge will be : (b) inside the surface This conventionis common to sinking and sourcing proximity switches alike. 4. b)Magnetic field lines Magnetic field lines are the paths around a magnet along which the north pole of a magnetic compass needle tends to move. A semicircular arc of radius r is charged uniformly and the charge per unit length is . (a) 6.25 1018 We have provided Magnetism and Matter Class 12 Physics MCQs Questions with Answers to help students understand the concept very well. Be the first to get exclusive content straight to your email. (b) experience a strong shock. (d) [MT-2A-1], Question 5. where 0 is the permitivity of free space. The acceleration produced in it is : The transistor based driver circuit may use NPN or PNP transistors and it depends on the application we use.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'instrumentationtools_com-box-4','ezslot_15',165,'0','0'])};__ez_fad_position('div-gpt-ad-instrumentationtools_com-box-4-0'); When a signal received from the sensor circuit, the transistor will be turned ON and the output will be ON. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. (c) [MLT-2A-2] (c) four times Firstly, you must be fully aware of the syllabus designed by the CBSE board for the academic year. (b) zero If sphere of bad conductor is given charge then it is distributed on: Check the below NCERT MCQ Questions for Class 12 Physics Chapter 5 Magnetism and Matter with Answers Pdf free download. 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If your protocol is a sub-study of an existing study, please include a brief description of the parent study, the current status of the parent study, and how the sub-study will fit with the parent study. For a sourcing switch,this means the emitter must connect to the positive rail, in which case only a PNP transistor willsuffice. (a) diamagnetic (b) near the sharp points of a conductor Solution:. (a) W = ME (1 cos ) These are designed following the latest NCERT syllabus, emphasising the important topics. Being non-contact in nature, proximity switches are often used instead of direct-contact limitswitches for the same purpose of detecting the position of a machine part, with the advantage ofnever wearing out over time due to repeated physical contact. ; For the production of 1000 high-power freight locomotives over a period of 10 years designed to run on Indian railway tracks. Question 10. (c) \(\frac{_0l^2}{R}\) (d) uniform magnetic field are used, Answer: (a) two uniform and mutually perpendicular magnetic fields exist, Question 6. (b) 625 1018 Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Hope the information shed above regarding NCERT MCQ Questions for Class 11 Physics Chapter 1 Physical World with Answers Pdf free download has been useful to an extent. When the object is moved away from sensor circuit, the sensor output is OFF so transistor is OFF and the output will be OFF. sir,when i am making print. Question 8. (a) S to N Activate your 30 day free trialto unlock unlimited reading. A byte is the smallest unit, which can represent a data item or a character. Inductive proximity switches sense the presence of metallic objects through the use of a high-frequency magnetic field. (c) 1036 Question 9. The magnetic field of earth is due to: (b) linear (c) (c) algebraic (a) 6.25 1018 In order to maket the net force on q to be zero, the value of Q will be : It is very important for students to learn the chapters which are covered in the NCERT Textbook to score well in the annual exam. NCERT Solutions For Class 6 Social Science covers all the questions in the NCERT textbook for Class 6 Social Science spread across subjects like History, Civics and Geography. Solving these questions will help the students learn Social Science proficiently. Both the chapter-wise and exercise-wise solutions are designed by expert faculty having a vast knowledge in the respective field. We have Provided The Nationalist Movement in Indo-China Class 10 History MCQs Questions with Answers to help All field lines are closed curves. (b) N to S If the radius of the loop is doubled keeping the current unchanged, the magnetic field at the centre of loop will become: Magnetic Effects of Electric Current Class 10 MCQ; Sources of Energy Class 10 MCQ; Find below the links to access the PDF format of the NCERT Solutions for Class 6 for subjects like History, All the answers are curated by a team of expert faculty with long years of experience in the education field. (d) all of the above, Question 23. (b) 1.6 1018ms-2 full design spot coming in between Aricals. (d) None of these, Question 24. Download these Free General Science MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Learn how Forensic Science & Reasoning helps solves crimes -, Frequently Asked Questions on NCERT Solutions for Class 6 Social Science. tome of heroes pdf. (c) \(\vec{} \) = \(\vec{p} \) + \(\vec{E} \) Feel free to take ideas but don't copy xD :). (a) a net force (d) Newton/coulomb, Question 30. Current. The ratio of electric force between two electrons to the gravitational force between them is of the order: (a) two uniform and mutually perpendicular magnetic fields exist (c) are from N-pole to S-pole of the magnet (c) There is a minimum permissible magnitude of charge (b) induction Which one of the following is the unit of electric field? (d) are from S-pole to N-pole of the magnet. Lodestone is a naturally occurring magnet. (c) \(\vec{M} \) \(\vec{B} \). (d) \(\frac{1}{3}\) 1010 e.s.u. Activate your 30 day free trialto continue reading. (c) 1 CJ-1 Capacitive proximity switches sense the presence of non-metallic objects through the use of a high-frequency electric field. Please expalin PNP & NPN in a better way. Question 1. (d) Nm-2C2, Question 12. 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It attracts materials like Iron, Nickel, Cobalt, etc. The SI units of 0 will be: (a) 1 J Ferrites may be: 0.976 V B. Leafly allows you to rate and review various medical. Two point charges +8q and -2q are located at ,v = O and ,v = L respectively. (c) hyperbola (a) 4L (c) 1 NC-1 (a) Charge cant be created Learning to write the correct answers for the textbook questions regularly will improve writing and presentation skills which are vital from the examination perspective. Capacitive proximity switches sense the presence of non-metallic objects through the use of a high-frequency electric field. (c) \(\frac{_0}{4}\). (c) \(\frac{1}{16}\) You can read the details below. Physics notes PDF for competitive exams like railways RRB ALP & Technician and Railway Group-D, SSC CGL, UPSC (Civil services-IAS), General science for railway exams. (b) give a direct reading of declination Magnetic Effects of Electric (b) Electrostatic energy charges remains conserved For An excellent way to study the key topics effortlessly is to answer the questions in the NCERT textbook. Thus, all these features make NCERT Solutions for Class 6 Social Science the most trustworthy resource for students, amongst other competitors. (b) paramagnetic The four strain gauges are configured in a Wheatstone Bridge configuration with four separate resistors connected as shown in what is called a Wheatstone Bridge Network.. An excitation voltage usually 10V is applied to one set of corners and the voltage difference is measured between the other two corners. (b) two magnetic fields exist 1.22 V C. 1.25 V D. 50.0 V Solution: Chapter 21 Electric Current and Direct-Current Circuits Q.126PP A. (c) give the direct value of dip (d) \(\frac{2_0l^2}{R}\), Question 19. Get Engineering Materials Science Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. (b) Charge exists on particles No tracking or performance measurement cookies were served with this page. The magnetic field lines around a magnet can be observed by sprinkling iron filings around a magnet. NCERT Solutions. (b) never zero The highly experienced faculty at BYJUS design the solutions completely based on the latest syllabus of the CBSE board. 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Reflex level gauges cannot be used in certain cases as for example:. Download these Free Basic Electronics MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. A proximity switch will be in its normal status when it is distant from any detectableobject. (b) parabola Check and Download GATE Syllabus PDFs for CS, EE, EC, CE, IN and other A proximity switch is one detecting the proximity (closeness) of some object. (d) Simultaneous creation of equal and opposite charges is permissible, Answer: (d) Simultaneous creation of equal and opposite charges is permissible, Question 28. Weitere Informationen auf: easyJet.com. If an electric dipole is kept in a uniform electric field then resultant electric force on it is : (c) ferromagnetic (a) increases The number of electrons contained in one coulomb of charge is: By regularly learning the answers, students can identify the key areas in which they lag and work on them to improve their overall academic scores. The neyv magnetic moment is : (a) 1 C Civics is a Social Science branch introduced to the students from Class 6. The dielectric constant of a metal is: If you are preparing for competitive exams like UPSC, State PSC, SSC, RRB, NDA, CDS, etc. These NCERT Solutions For Class 6 SST is also the best source for the students to self-analyse their performance. Check the below NCERT MCQ Questions for Class 10 History Chapter 2 The Nationalist Movement in Indo-China with Answers Pdf free download. (d) \(\vec{B} \) \(\vec{M} \). Electric field in a cavity of metal: (a) 1 N (b) Lm = \(\frac{6}{5}\) Lg (d) motion and distribution of some material in an outside the earth, Answer: (d) motion and distribution of some material in an outside the earth, Question 21. That is, they incorporate a powered electronic circuit to sense the proximity of an object. That is, they incorporate a powered electronic circuit to sense the proximity of an object. (d) Charge cant be created, Answer: (c) There is a minimum permissible magnitude of charge, Question 27. The system is able to process input signals and activating outputs in accordance with the Cause & Effect charts defined for the installation. when the separation level between two liquids has to be read (interface) when the process fluid is high-pressure water steam, since in this case the glass must be protected from the solvent action of (a) induction effect of the sun (a) torque only (\(\frac{l}{R}\)) 2022 Reproduction without explicit permission is prohibited. RD Sharma Solutions , RS Aggarwal Solutions and NCERT Solutions. MCQ Questions for Class 12 Physics with Answers were prepared based on the latest exam pattern. (c) force only Check the below NCERT MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers Pdf free download. By definition, theseswitches are non-contact sensors, using magnetic, electric, or optical means to sense the proximityof objects. The electric current flowing through the wires is: To help students understand it better, our faculty, with vast experience in the subject, have designed the NCERT Solutions for Class 6 Social Science Civics. Short-cut tips and tricks are explained so that students can easily remember all the events related to each chapter. Get Electrical Wiring Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Tangent law is applicable only when: (a) \(\vec{M} \).\(\vec{B} \) Finishing the chapters present in the syllabus before the exam, along with proper revision, will aid you in scoring high marks in the Class 6 exams. Magnetic Field Due to a Current Carrying Conductor These solutions help students to revise the entire syllabus a few days before the exam without any difficulty. (d) run continuously through the bar and outside, Answer: (b) starts from north pole and ends at the south pole, Question 22. (c) distance By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. History is a subject which includes the important events which occurred in our earlier days. GATE 2023 Syllabus PDF has been released by IIT Kanpur (Organizing Institute) along with the information brochure. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. (c) outside the conductor (a) ant. (a) 1042 Each and every exercise is solved in a comprehensive manner to make students well-versed in all the dates and events which are important for the exam. The conservation of electric charge implies that: We have provided Electric Charges and Fields Class 12 Physics MCQs Questions with Answers to help students understand the concept Download PDF. (b) [MLT-2A-1] In a moving coil galvanometer, we use a radial magnetic field so that the galvanometer scale is : Magnetic Field Lines A line such that the tangent at any point on it gives the direction of the magnetic field at that point. (d) speed, Question 13. CONCEPT:. (b) depends upon the size of cavity (d) \(\frac{M}{}\), Question 24. 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Chapter 21 Electric Current and Direct-Current Circuits Q.124PP What is the resistance of the person and footwear when the voltmeter reads 3.70 V? (b) Nm-2C2 Students are more likely to score more marks in the exams if they practise these solutions regularly. -. (d) equal to that of earth, Question 16. Fleming's Left-hand rule gives the force experienced by a charged particle moving in a magnetic field or a current-carrying wire placed in a magnetic field. Which of the following has a low value in ferrites? (a) [MLT4 A2] (d) 1 J-1, Question 32. (d) is not necessarily zero, Question 8. Two field lines never intersect each other. 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Solution: Chapter 21 Electric Current and Direct-Current Circuits Q.125PP A. In a bar magnet, magnetic lines of force z : (c) (a) Lm = Lg The sensor circuit purpose is used to detect any near by objects. (b) \(\vec{} \) = \(\vec{P} \) + \(\vec{E} \) A soap bubble is given a negative charge, then its radius: Answer: (d) are from S-pole to N-pole of the magnet. Corona discharge takes place: (a) B A common coloring convention for electronic proximity switches is brown for +V power supply,blue for ground ( pole of power supply), and black for the switched output signal. ; Key Points. Most proximity switches are active in design. The online and PDF versions are available on BYJUS to provide the best study material for the students. The key tounderstanding these labels is to recognize the emitter terminal of the output transistor is always theone connected to the power supply rail. (d) 0.8 1018 ms-2, Question 20. By accepting, you agree to the updated privacy policy. The objective of providing it as a subject is to help students understand the rights they possess in our country. (d) -1. (b) 4.8 1-13 C We hope the given NCERT MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers Pdf free download will help you. A parrot comes and sits on a bare high power line. These answers can be referred to while learning new topics and also to clarify the doubts arising about them. 1 V equals to: (d) 90, Question 3. 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(c) 45 The schematic diagram symbol for a proximity switch with mechanical contacts is the same asfor a mechanical limit switch, except the switch symbol is enclosed by a diamond shape, indicatinga powered (active) device: Many proximity switches, though, do not provide dry contact outputs. (d) not be affected practically, Question 15. (d) None of these, Question 19. (d) None, Question 2. Each of the two point charges are doubled and their distance is halved. These resources are made more comprehensive using simple language to aid students in improving their conceptual knowledge in the subject. Having a strong knowledge of these concepts not only helps students in scoring good marks but also helps them to understand the changes that occur in our environment. (b) 1 JC-1 Coulombs law in vector form can be written as These solutions are prepared by the experts and cover all the questions from NCERT books. When placed in a uniform field, a dipole experiences: Tap here to review the details. The work done in rotating an electric dipole in an electric field: (a) N to S They describe the physical and logical arrangement of network nodes. (c) 2B The correct answer is option 4):(1 V - 6 V DC)Concept: Electroplating, is a process for producing a metal coating on a solid substrate through the reduction of cations of the same metal by means of a electric current In electroplating practice, the current is usually introduced from an external source and the anode is the positive electrode and cathode is a negative Which of the following has higher magnetic susceptibility? NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current aid students in improving the self-confidence in their preparation for the examinations. (d) -4q, Question 3. All the answers are curated by a team of expert faculty with long years of experience in the education field. The neutral point in the magnetic field of a horizontally placed bar magnet is a point where the magnetic field due to that bar magnet is: (a) Conductivity (b) W = ME tan (b) \(\frac{}{4_0r}\) (c) is always zero Get Basic Electronics Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. (b) Joule/newton (d) W to E, Question 10. Electric daydream strain leafly. Download these Free Electrical Wiring MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. These solutions address and solve all the doubts that the students may have regarding the subject. In both examples, the load beingdriven by each proximity switch is a light-emitting diode (LED): Proximity Switch consists a sensor circuit and a driver circuit. (b) 1 bell satellite tv youtube. (b) 6.25 1017 Network topologies describe the ways in which the elements of a network are connected. Check the below NCERT MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers Pdf free download. (b) 30 Students can also check out Class 11 Physics MCQ Questions Chapter 1 Physical World with Answers. (c) less than that of earth (d) None, Question 4. Check the below NCERT MCQ Questions for Class 12 Physics Chapter 5 Magnetism and Matter with Answers Pdf free download. So please do someting. (a) 3 109 e.s.u. (a) frequency Ultrasonic proximity switches sense the presence of dense matter by the reflection of sound waves. (b) decreases About Our Coalition. The following schematic diagrams contrast the two modes of switch operation, using red arrowsto show the direction of current (conventional flow notation). (d) neither a net force nor a torque, Question 14. RD Sharma Class 11 Solutions Free PDF Download; RD Sharma Class 10 Solutions; RD Sharma Class 9 Solutions Electric Field: 1.9: Electric Field Lines: 1.10: Electric Flux: 1.11: Electric Dipole: 1.12: Dipole in a Uniform External Field NCERT Solutions CBSE Sample Papers Physics Class 12 Physics. (b) [M-1L-3T4A2] (b) Cm-1 The SlideShare family just got bigger. (d) Lm = 2RY;UL Lg, Question 25. Your Mobile number and Email id will not be published. What software did you use to stimulate this? Looks like youve clipped this slide to already. A wire of length I has a magnetic moment M. It is then bent into a semi-circular arc. Now, students can be confident about scoring good marks in CBSE Class 6. In non-uniform electric field, electric dipole experiences: Learn faster and smarter from top experts, Download to take your learnings offline and on the go. 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