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Question
Why is AC preferred over DC?
Why is AC preferred over DC?
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Solution
AC is preferred over DC because of the following reasons:
- Loss of power during transmission of current from the power generation plant to the grid is less in AC than in DC.
- AC can be easily transformed to DC with the help of rectifiers whereas in DC it is not possible.
- AC can be easily stepped up or stepped down by transformers whereas in DC it is not possible because transformers work on a changing emf principle.
- Generation of AC is cheaper than DC power.
- Induction motors work on AC power supply only.
AC is preferred over DC because of the following reasons:
- Loss of power during transmission of current from the power generation plant to the grid is less in AC than in DC.
- AC can be easily transformed to DC with the help of rectifiers whereas in DC it is not possible.
- AC can be easily stepped up or stepped down by transformers whereas in DC it is not possible because transformers work on a changing emf principle.
- Generation of AC is cheaper than DC power.
- Induction motors work on AC power supply only.
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