Examveda
Examveda

When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes?

A. Nine times

B. Three times

C. Six times

D. One–third

Answer: Option A

Solution(By Examveda Team)

L = inductance is proportional to the number of turns per unit length. So self inductance becomes three times. if turns in a coil is trippled, self inductance become nine times.

This Question Belongs to General Knowledge >> Physics

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