The diagram below shows two coils A and B placed parallel to each other at a very small distance. Coil A is connected to an ac supply. G is a very sensitive galvanometer. When the key is closed

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Oscillations in the galvanometer may be observed when the input ac voltage has a frequency of 1 to 2 Hz

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Constant deflection will be observed in the galvanometer for 50 Hz supply

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Visible small variations will be observed in the galvanometer for 50 Hz input

Answer

No variation will be observed in the galvanometer even when the input ac voltage is 1 or 2 Hz

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Question: The diagram below shows two coils A and B placed parallel to each other at a very small distance. Coil A is connected to an ac supply. G is a very sensitive galvanometer. When the key is closed

emi

Question: The diagram below shows two coils A and B placed parallel to each other at a very small distance. Coil A is connected to an ac supply. G is a very sensitive galvanometer. When the key is closed

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