In a coupled coil the primary has 100 turns and secondary has 200 turn – McqOptions

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1.	In a coupled coil the primary has 100 turns and secondary has 200 turns. The primary produces, a flux Φ = e^-t. The coefficient of coupling is 1. The voltages induced in secondary is
A.	200 e^-t V
B.	200 e^t V
C.	200 V
D.	none of the above
Answer» B. 200 e^t V

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