In A.C generator increasing no. of turns in coil :

decreases the EMF

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EMF remains same

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increases the EMF

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EMF becomes zero

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Solution

The correct option is C increases the EMF
We know that emf generated in an AC generator is given by

$E = N B A ω cos ω t$

Hence,on increasing number of turns of coil, EMF increases.

Answer-(C)

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Similar questions

The magnetic flux through a coil having 100 turns decreases from 5 milli weber to zero in 5 second.Calculate the e.m.f. induced in the coil.

Each one of the following changes will increase emf (or voltage) in a simple generator except :

(a) increasing the number of turns in the armature coil

(b) winding the coil on a soft iron armature

(d) increasing the speed of rotation

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