Electrical Engineering · Network Theory
Two coils are connected in series and their effective inductance is found to be 20 H. When the connections of one coil are reversed, the effective inductance is 6 H. If the coefficient of coupling is 0.6, then the self-inductance of each coil and the mutual inductance will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1M = 2.5 H, L1 = 13.09 H, L2 = 1.91 H
- 2M = 3.5 H, L1 = 13.09 H, L2 = 1.91 H✓
- 3M = 3.5 H, L1 = 12 H, L2 = 3 H
- 4M = 2.5 H, L1 = 12 H, L2 = 3 H
Correct answer
M = 3.5 H, L1 = 13.09 H, L2 = 1.91 H
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