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The primary and secondary coils of a tra...

The primary and secondary coils of a transforme have ``50 and 1500 turns respectively. If the magnetic flus `phi`linked with the primary coil is given by `phi=phi_(0)+4t,` where `phi` is in weber, t is time in second and `phi_(0)` is a constant, the output voltage aross the secondary coil is

A

90 V

B

120 V

C

220 V

D

30 V

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The correct Answer is:
B
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VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -IMPECCABLE
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