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Two coils are coupled in such a way that the mutual inductance between them is 16 mH. if the inductances of the coils are 20 mH and 80 mH respectively, the coefficient of coupling is | |
A. | 0.01 [Wrong Answer] |
B. | 0.4 [Correct Answer] |
C. | 0.1 [Wrong Answer] |
D. | 0.0025 [Wrong Answer] |