A solenoid of length 30 cm with 10 turns per centimetre and area of cross-section 40 cm 2…
Physics · Class 12 · CBSE — Electromagnetic Induction
A solenoid of length 30 cm with 10 turns per centimetre and area of cross-section 40 cm2 completely surrounds another co-axial solenoid of same length, area of cross-section 20 cm2 with 40 turns per centimetre. The mutual inductance of the system is
- 10 H
- 8 H
- 3 mH
- 30 mH
Answer
(C) 3 mH
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