Home Physics Electromagnetic Induction Faraday's and Lenz's Law When a magnet is pushed in and out of a circ…
Physics Electromagnetic Induction Faraday's and Lenz's Law MCQ (Single Correct)

When a magnet is pushed in and out of a circular coil C connected to a very sensitive galvanometer G as shown in the adjoining diagram with a frequencyv, then

A
Constant deflection is observed in the galvanometer
B
Visible small oscillations will be observed in the galvanometer if vis about 50 Hz
C
Oscillations in the deflection will be observed clearly if v = 1 or 2 Hz
D
No variation in the deflection will be seen if v = 1or 2 Hz

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Verified by Experts
The correct answer is:
C

When frequency is high, the galvanometer will not show deflection.

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