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Questions and Answers

What is the difference between direct current and alternating current?

Direct current flows in one direction only, while alternating current changes direction periodically (correct)

Direct current and alternating current both flow in one direction only

Direct current and alternating current both change direction periodically

Direct current changes direction periodically, while alternating current flows in one direction only

What is the frequency of the alternating current used for domestic purposes in India?

60 Hz

220 V

110 V

50 Hz (correct)

What is the device used to convert AC to DC?

Rectifier (correct)

Transformer

Inverter

Battery eliminator

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Questions and Answers

What is the difference between direct current and alternating current?

What is the frequency of the alternating current used for domestic purposes in India?

What is the device used to convert AC to DC?

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