Electro Magnetic Induction And Alternating Currents Question 583

Question: Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a current of 3.0 ampere in A, the flux linked with A is 1.2×104,weber and with B it is 9.0×105,weber . The mutual inductance of the system is [MP PMT 2001]

Options:

A) 2×105,henry

B) 3×105,henry

C) 4×105,henry

D) 6×105,henry

Show Answer

Answer:

Correct Answer: B

Solution:

N2φ2=Mi19×105=M×3
M=3×105H



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