Physics · Electromagnetic Induction
The self-inductance of a long solenoid is:
- 1Directly proportional to the current in the solenoid
- 2Directly proportional to the length of the solenoid
- 3Directly proportional to the cross-sectional area of the solenoid✓
- 4Inversely proportional to the cross-sectional area of the sol enoid
Correct answer
Directly proportional to the cross-sectional area of the solenoid
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