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The coefficients of self induction of tw...

The coefficients of self induction of two inductance coil are 0.01 H and 0.03H respectively . When they are conneted in series so as to support each other, then the resultant self inductance becomes 0.06 Henry. The value of coefficient of mutual induction be __

A

5 mH

B

10 mH

C

20 mH

D

40 mH

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The correct Answer is:
B
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