Physics · Electromagnetic Induction
In a fluorescent lamp choke, 100 V of reverse voltage is produced when the choke current changes uniformly from 0.25 A to 0 in a duration of 0.025 ms. The self-inductance of the choke (in mH) is estimated to be:
- 15
- 210✓
- 320
- 430
Correct answer
10
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