JEE Main & Advanced
Physics
Electro Magnetic Induction
Question Bank
Static EMI
question_answer
The coefficient of mutual inductance of two coils is 6 mH. If the current flowing in one is 2 ampere, then the induced e.m.f. in the second coil will be [BVP 2003]
A) 3 mV
B) 2 mV
C) 3 V
D) Zero
Correct Answer:
D
Solution :
In secondary e.m.f. induces only when current through primary changes.