what is the meaning of the term frequency of an alternate current? what is its value in India? Why is an alternating cureent considered to be an advantageous over direct current for long range transmission of electric current?

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Solution

In an AC, the direction of the current is constantly changing from positive to negative and negative to positive.
The number of times the direction changes per second is called the frequency of the current.
In India the frequency is 50 Hz (50 times per second).
AC is better than DC for carrying current over long distance because it minimizes losses.

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