Physics · Electromagnetic Induction
The effective inductance of two series-connected coils with self-inductances L 1 , L 2 and mutual inductance M aiding each other is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1L 1 + L 2 - 2M
- 2L 1 + L 2 + 2M✓
- 3L 1 - L 2 - 2M
- 4L 1 + L 2 + M
Correct answer
L 1 + L 2 + 2M
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