Questions
In an induction coil the coefficient of mutual inductance is 4H. If current of 5A in the primary coil is cut off in seconds, the emf at the terminals of secondary coil is
detailed solution
Correct option is B
ε21=-Mdi1dt=4×51/1500volt=30 KVTalk to our academic expert!
Similar Questions
Two circular coils can be arranged in any of the three situations shown in fig.. Their mutual
inductance will be
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