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Physics-

General

Easy

Question

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

Constant deflection is observed in the galvanometer
Visible small oscillations will be observed in the galvanometer if $v$ is about $50 H z$
Oscillations in the deflection will be observed clearly if $v = 1$ or $2 H z$
No variation in the deflection will be seen if $v = 1$ or $2 H z$

The correct answer is: Oscillations in the deflection will be observed clearly if $v equals 1$ or $2 blank H z$

When frequency is high, the galvanometer will not show deflection

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