Why is alterating current preferred over direct curren? List any 3 Resons ?
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because alternating current can transfered from one place to another whereas direct current cannot be tranfered
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1 electric power can be transmitted over long distances without much energy .
2 it has frequency of 50 hz .
3 the power house ac generators have a fixed set of coils arranged around a rotating electomagnet.as in large power house generatlr s the coild are stationary and the electomagnet rotates.
ac current reverses its direction periodically.
2 it has frequency of 50 hz .
3 the power house ac generators have a fixed set of coils arranged around a rotating electomagnet.as in large power house generatlr s the coild are stationary and the electomagnet rotates.
ac current reverses its direction periodically.
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