# NEET UG Physics Electromagnetic Induction MCQs

NEET UG Physics Electromagnetic Induction MCQs with answers available in Pdf for free download. The MCQ Questions for NEET Physics with answers have been prepared as per the latest NEET Physics syllabus, books and examination pattern. Multiple Choice Questions form important part of competitive exams and NEET exam and if practiced properly can help you to get higher rank. Refer to more topic wise NEET Physics Questions and also download more latest study material for all subjects and do free NEET Physics Mock Test

## Electromagnetic Induction NEET Physics MCQ

NEET Physics students should refer to the following multiple-choice questions with answers for Electromagnetic Induction in NEET. These MCQ questions with answers for NEET Physics will come in exams and help you to score good marks

### Electromagnetic Induction MCQ Questions with Answers

MCQ

For the answer of the following questions choose the correct alternative from among the given ones.

1. A coil having area 2m2 is placed in a magnetic field which changes from 1 wb /m2 to 4 wb/m2 in an interval of 2 second. The emf induced in the coil of single turn is ____
(a) 4 v (b) 3 v (c) 1.5 v (d) 2 v

2. Two different loops are concentric & lie in the same plane. The current in outer loop is clockwise & increasing with time. The induced current in the inner loop then, is___
(a) clockwise (b) zero
(c) counter clockwise (d) direction depends on the ratio of loop radii

11. An electron moves along the line AB,which lies in the same plane as a circular loop of conducting wires as shown in figure. What will be the direction of current induced if any, in the loop ?
(a) No current will be induced
(b) The current will be clockwise
(c) The current will be anticlockwise
(d) The current will change direction as the electron passes by

12. A circular loop of radius R carrying current I lies in X-Y plane with its centre at origin. The total magnetic flux through x-y plane is ___
(a) Directly proportional to I (b) Directly proportional to R
(c) Directly proportional to R2 (d) zero

(a) Increases (b) decreased
(c) Remain same (d) depending on whether the semicircle bulge is towards the resistance or away from it.

14. Two similar circular loops carry equal currents in the same direction.On moving the coils further apart, the electric current will
(a) Remain unchanged (b) Increasing in both
(c) Increasing in one decreasing in other (d) Decreasing in both

15. When the number of turns in a coil is make four time without any change in length of the coil, its self inductance becomes
(a) unchanged (b) two times
(c) four times (d) sixteen times

16. A metal road moves at a constant velocity in a direction perpendicular to its length & a constant uniform magnetic field too. Select the correct statement (s) from the following.
(a) The entire rod is at the same electrical potential
(b) There is an electric field in the rod
(c) The electric polential is highest at the centre of the rod.
(d) The electric polential is lowest at the centre of the rod.

19. Two coils of self inductances 2 mH & 8 mH are placed so close togather that the effective flux in one coil is completely half with the other.The mutual inductance between these coils is ____
(a) 4 mH (b) 6 mH (c) 2 mH (d) 16 mH

20. In circular coil. when no. of turns is doubled & resistance becomes half of the initial then inductance becomes ____
(a) 4 times (b) 2 times (c) 8 times (d) No change

43. The core of a transformer is laminated so that ____
(a) Ratio of I/p & O/p voltage increases
(b) Rusting of core may be stopped
(c) Energy loss due to eddy current may be reduced
(d) Change in flux is increased

44. In transformer, core is made of soft iron to reduce _____
(a) Hysterlsis losses (b) Eddy current losses
(c) Force opposing current (d) the weight

45. An ideal transformer has 1:25 turn ratio. The peak value of the ac is 28 V. The rms ms secondary voltage is nearest to _____
(a) 50 V (b) 70 V (c) 100 V (d) 40 V

46. A primary winding of transformer has 500 turns whereas its secondary has 5000 turns. Primary is connected to ac supply of 20V, 50Hz The secondary output of ____
(a) 200V, 25 Hz (b) 200 V, 50Hz (c) 2 V, 100 Hz (d) 2V, 50 Hz

47. A step down transformer is connected to main supply 200 V to operate a 6V, 30 w bulb. The current in primary is ____
(a) 3A (b) 1.5 A (c) 0.3 A (d) 0.15 A

50. A coil of inductance 8.4 mH and resistance 6Ω is connected to a 12 V battery. The current in the coil is 1A in the time
(a) 500 sec (b) 20 sec (c) 35 ms (d) 1 ms

51. Alternating current can not be measured by dc ammeter because,
(a) ac can not pass through dc ammeter
(b) Average value of complete cycle is zero
(c) ac is virtual
(d) ac changes its direction

52. The resistance of a coil for dc is in ohms. In ac, the resistance
(a) will remain same (b) will increase
(c) will decrease (d) will be zero

73. Same current is flowing in two alternating circuits.The first circuits contains only inductance and the other contains only a capacitor. If the frequency of the emf of ac is increased the effect on the value of the current will be.
(a) Increase in the first circuit and dicrease in other
(b) Increase in both the circuit
(c) Decrease in both the circuit
(d) Decrease in the first and increase in other

## Tags:

Click for more Physics Study Material
 NEET UG Physics Semiconductor Electronics MCQs NEET UG Physics Laws of Motion MCQs NEET UG Physics Electromagnetic Waves MCQs NEET UG Physics Thermodynamics MCQs NEET UG Physics Atom and Nucleus MCQs NEET UG Physics Magnetic Effects of Electric Current MCQs NEET UG Physics Electromagnetic Induction MCQs NEET UG Physics Work Energy MCQs NEET UG Physics Communication System MCQs NEET UG Physics Oscillations and Waves MCQs NEET UG Physics Gravitational MCQs NEET Physics Digital Electronics and Logic Gates MCQs NEET UG Physics Current Electricity MCQs NEET UG Physics Optics MCQs NEET UG Physics Kinetics and Measurement MCQs NEET UG Physics Dual Nature of Matter MCQs NEET UG Physics Properties of Liquid of Solid MCQs NEET UG Physics Kinetics MCQs NEET UG Physics Experiments MCQs NEET UG Physics Rational Motion MCQs NEET UG Physics Kinetic Theory of Gases MCQs NEET UG Physics Electrostatics MCQs

## Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

### Class 10th and 12th Term 2 Revaluation Process 2022

Evaluation of the Answer Books is done under a well-settled Policy. To ensure that the evaluation is error free, CBSE is taking several steps. After strictly following these steps, the result is prepared. Though, CBSE is having a well-settled system of assessment,...

### CBSE Term 2 Board Examinations

CBSE vide Circular No.Acad-51/2021 dated 5th July, 2021, notified that in the session 2021-2022, Board Examinations would be conducted in two terms, i.e.. Term I and Term II. This decision was taken due to the uncertainty arising out of COVID 19 Pandemic. Term I...

### Board Exams Date Sheet Class 10 and Class 12

Datesheet for CBSE Board Exams Class 10  (Scroll down for Class 12 Datesheet) Datesheet for CBSE Board Exams Class 12

### Celebration of Matribhasha Diwas Mother Language day

UNESCO has declared 21st February of every year to be celebrated as International Mother Language day to promote dissemination of Mother Language of all, create awareness of linguistic and cultural traditions and diversity across the world and to inspire solidarity...