Electro Magnetic Induction And Alternating Currents Question 600

Question: If the current 30 A flowing in the primary coil is made zero in 0.1 sec. The emf induced in the secondary coil is 1.5 volt. The mutual inductance between the coil is [Pb PMT 2003]

Options:

A) 0.05 H

B) 1.05 H

C) 0.1 H

D) 0.2 H

Show Answer

Answer:

Correct Answer: A

Solution:

e=Mdidt1.5=M×300.1M=0.05 H



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