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The self inductances of two coils are 16...

The self inductances of two coils are 16 mH and 25 mH, and they have a mutual inductances of 10 mH. Their coupling constant is

A

0.025

B

0.05

C

0.25

D

0.5

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The correct Answer is:
D
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CHHAYA PUBLICATION-ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT-EXERCISE
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  15. The self-inductance of a long straight solenoid is L. Each of the leng...

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  16. The self inductances of two coils are 16 mH and 25 mH, and they have a...

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  17. If current I passes through a pure inductor of self-inductance L, the ...

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