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Fleming’s right-hand rule is a simple rule to know the direction of induced current.

The right-hand thumb rule is used to find the direction of magnetic fields due to current carrying conductors.

The difference between the direct and alternating currents is that the current always flows in one direction, whereas the alternating current reverses its direction periodically.

In India, the AC changes direction after every 1/50 second.

answer is D.

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Detailed Solution

The frequency of an alternating current, measured in hertz, is the rate at which the direction of the current changes. India's typical household current is therefore1/ 50 Hz. According to the country's electrical system, AC power switches directions 1/50 times each second.

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