Lenz’s Law NEET Questions

Physics - Electromagnetic Induction and Alternating Currents

Lenz’s Law MCQ Questions


13.
Lenz’s law obeys which conservation principle?
A.
Conservation of Momentum
B.
Conservation of Energy
C.
Conservation of Angular Momentum
D.
Conservation of Electric Charge
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ANSWER :
B. Conservation of Energy
14.
Which force is responsible for opposing the cause of induction in Lenz’s law?
A.
Gravitational force
B.
Electromagnetic force
C.
Frictional force
D.
Normal force
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ANSWER :
B. Electromagnetic force
15.
Lenz’s law explains the law of

NEET - 2018

A.
Conservation of charge
B.
Conservation of energy
C.
Conservation of mass
D.
Conservation of momentum
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ANSWER :
B. Conservation of energy
16.
Lenz’s law is mathematically represented by:
A.
E = -dΦ/dt
B.
E = dΦ/dt
C.
E = IR
D.
E = BIL
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ANSWER :
B. E = dΦ/dt
17.
Which of the following is an example of Lenz’s law in daily life?
A.
Magnetic levitation
B.
Induction cooktops
C.
Eddy current braking
D.
Charging a battery
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ANSWER :
C. Eddy current braking
18.
According to Lenz’s law, the direction of induced current is such that it

NEET - 2016

A.
Supports the cause producing it
B.
Opposes the cause producing it
C.
Is independent of the cause
D.
Is always clockwise
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ANSWER :
B. Opposes the cause producing it