MHT CET 2024 Physics question
Two coils are kept near each other. When no current passes through first coil and current in the 2 coil increases at the rate 10 , the e.m.f. in the 1 coil is 20mV. When no current passes through 2 coil and 3.6A current passes through 1 coil' the flux linkage in coil 2 is
Answer: (D)
Solution
Mutual induction: , so H. The mutual inductance is the same for either coil (reciprocity, ). With 3.6 A in coil 1, the flux linkage in coil 2 is
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