Two coils are wound on the same iron so that the flux generated by one passes through the other. The primary coil has N P turns in it and when a current 2 A flows through it, the flux in it is 
. If the secondary coil has 12 turns, the mutual inductance of the coils is (assume the secondary coil is in open circuit)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Mutual inductance, 
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