Refer to the figure. Deflection in the galvanometer (G) occurs, when

The magnet is pushed into the coil

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The magnet is rotated into the coil

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The magnet is stationary at the centre of the coil.

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The number of turns in the coil is reduced.

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Solution

The correct option is A The magnet is pushed into the coil
When magnet is moved then the flux across the coil changes. According to lenz law, the coil will induce current to change in flux. By rotating magnet there is no change in flux.

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Refer to the figure. Deflection in the galvanometer (G) occurs, when

The correct option is A The magnet is pushed into the coilWhen magnet is moved then the flux across the coil changes. According to lenz law, the coil will induce current to change in flux. By rotating magnet there is no change in flux.

The correct option is A The magnet is pushed into the coil
When magnet is moved then the flux across the coil changes. According to lenz law, the coil will induce current to change in flux. By rotating magnet there is no change in flux.