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Question

Corona loss is less when the shape of the conductors is

A.

Circular 

B.

Flat

C.

Ova

D.

Independent of shape

Answer ( Option A)

Circular 

Solution

Corona loss is less when the shape of the conductor  is circular.

For uniform circular shape m=l so that critical disruptive voltage increases. Thus the corona loss is less compared to another shape.

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