Lenz’s Law NEET Questions

Physics - Electromagnetic Induction and Alternating Currents

Lenz’s Law MCQ Questions


1.
Lenz’s law is a consequence of which fundamental principle?
A.
Conservation of Mass
B.
Conservation of Energy
C.
Conservation of Charge
D.
Conservation of Momentum
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ANSWER :
B. Conservation of Energy
2.
According to Lenz’s law, the direction of the induced current always:
A.
Supports the cause of induction
B.
Opposes the cause of induction
C.
Changes randomly
D.
Has no relation to the cause
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ANSWER :
B. Opposes the cause of induction
3.
Which of the following laws gives the direction of induced current?

NEET - 2017

A.
Faraday’s first law
B.
Faraday’s second law
C.
Lenz’s law
D.
Ampere’s law
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ANSWER :
C. Lenz’s law
4.
Lenz’s law is used to determine:
A.
Magnitude of induced EMF
B.
Direction of induced EMF
C.
Rate of change of flux
D.
Total resistance in the circuit
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ANSWER :
B. Direction of induced EMF
5.
Lenz’s law is related to

NEET - 2020

A.
Newton’s first law
B.
Law of conservation of energy
C.
Law of conservation of charge
D.
Law of conservation of momentum
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ANSWER :
B. Law of conservation of energy
6.
Which of the following devices works based on Lenz’s law?
A.
Transformer
B.
Electric motor
C.
Induction stove
D.
Galvanometer
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ANSWER :
B. Electric motor