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Question

Alternating current is transmitted at high voltage

A.

To safeguard against pilferage

B.

To minimize transmission losses

C.

To reduce cost of generation

D.

To make the system reliable

Answer ( Option B)

To minimize transmission losses

Solution

Transmission of the alternating current at high voltage reduces the losses of the transmission line because the current decreases with increasing voltage, which reduces the  losses along with other benefits.

(i) The load on the conductor decreases.

(ii) The voltage drop decreases.

(iii) The voltage regulations becomes good.

Hence, the correct option is (B).

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