Relevant Competitive Tests:
The self inductances of two coils are 8 mH and 18 mH. If the co-efficients of coupling is 0.5, the mutual inductance of the coils is______________?
A. 4 mH
B. 5 mH
C. 6 mHCorrect Answer
D. 12 mH
Correct Option: C. 6 mH
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