An AC generator is connected to an electrical appliance. In 10 revolutions of the armature the current in the appliance changes direction:

5 times

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10 times

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20times

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40 times

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Solution

The correct option is C
20times

In one revolution of an AC generator, current changes 2 times

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An AC generator is connected to an electrical appliance. In 10 revolutions of the armature the current in the appliance changes direction:

The correct option is C 20timesIn one revolution of an AC generator, current changes 2 times

The correct option is C
20times

In one revolution of an AC generator, current changes 2 times