Electro Magnetic Induction And Alternating Currents Question 586

Question: A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10?5 weber. the inductance is [Orissa JEE 2002]

Options:

A) 0.2 mH

B) 2.0 mH

C) 0.02 mH

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

$ {\varphi_{T}}=Li\Rightarrow L=\frac{{{10}^{-5}}}{5\times {{10}^{-3}}}=2mH $



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