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Question

The higher the voltage in the transmission line, the current which will flow transmission line for transmitted will be 

A.

higher 

B.

equal

C.

lower 

D.

unity

Answer ( Option C)

lower 

Solution

We know that power

In transmission line, for a given power if value of voltage is increased, then value of current will decreases because current is inversely proportional to voltage.

Due to low current, power loss  (I2Ris also reduced.

Due to low current, thickness, volume and weight of conductor is also reduced.

Hence, the correct option is (C).

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