Mathematics · Electromagnetism
A series aiding connection of two coupled coils shows a total inductance of 45 mH, while the same coils in a series opposing connection show 25 mH. Calculate the mutual inductance (M) between the coils.
- 12.5 mH
- 220.0 mH
- 310.0 mH
- 45.0 mH✓
Correct answer
5.0 mH
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