Electro Magnetic Induction And Alternating Currents Question 580

Question: If a change in current of 0.01 A in one coil produces a change in magnetic flux of $ 1.2\times {{10}^{-2}}Wb $ in the other coil, then the mutual inductance of the two coils in henries is [EAMCET 2001]

Options:

A) 0

B) 0.5

C) 1.2

D) 3

Show Answer

Answer:

Correct Answer: C

Solution:

$ \varphi =Mi\Rightarrow M=\frac{1.2\times {{10}^{-2}}}{0.01}=1.2H $



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