Electro Magnetic Induction And Alternating Currents Question 567

Question: What is the coefficient of mutual inductance when the magnetic flux changes by 2×102Wb and change in current is 0.01A [BHU 1998; AIIMS 2002]

Options:

A) 2 henry

B) 3 henry

C) 12 henry

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

Δφ=LΔI

Þ L=ΔφΔI=2×1020.01=2H



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