Test: Faraday’S Laws Of Induction


10 Questions MCQ Test Physics Class 12 | Test: Faraday’S Laws Of Induction


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This mock test of Test: Faraday’S Laws Of Induction for Class 12 helps you for every Class 12 entrance exam. This contains 10 Multiple Choice Questions for Class 12 Test: Faraday’S Laws Of Induction (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Faraday’S Laws Of Induction quiz give you a good mix of easy questions and tough questions. Class 12 students definitely take this Test: Faraday’S Laws Of Induction exercise for a better result in the exam. You can find other Test: Faraday’S Laws Of Induction extra questions, long questions & short questions for Class 12 on EduRev as well by searching above.
QUESTION: 1

A magnet is moved towards the coil (i) quickly, (ii) slowly, the induced emf is​

Solution:
QUESTION: 2

The magnetic flux linked with a coil is changed from 1 Wb to 0.1 Wb in 0.1 second. The induced emf is​

Solution:
QUESTION: 3

The principle of electromagnetic induction is used in which of the following phenomenon

Solution:
QUESTION: 4

Which of the following law’s gives the direction of induced emf?

Solution:
QUESTION: 5

In the expression, what is the significance of negative sign?

Solution:
QUESTION: 6

Magnetic flux φ in Weber in closed circuit of resistance 15 ohm varies with time t sec as φ = 2t² – 3t + 1. The magnitude of induced emf at t = 0.25 sec is 

Solution:


= 4t-3
At t = 0.25s
e= 2V

QUESTION: 7

If the North Pole of the bar magnet is introduced into a coil at the end A which of the following statements correctly depicts the phenomenon taking place.

Solution:
QUESTION: 8

In which of the following cases with a bar magnet and the coil no induced emf is induced.

Solution:
QUESTION: 9

The role of inductance is equivalent to:

Solution:
QUESTION: 10

A coil of 100 turns is pulled in 0.04 sec. between the poles of a magnet, if its flux changes from 40 x 10-6 Wb per turn to 10-5 Wb per turn, then the average emf induced in the coil is​

Solution:

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