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Questions and Answers
What is the difference between direct current and alternating current?
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?
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?
What is the device used to convert AC to DC?
- Rectifier (correct)
- Transformer
- Inverter
- Battery eliminator
