Physics · Electromagnetic Induction
जब किसी कुंडली में विद्युत धारा 0.3 s के समय में 2 A से बदलकर 5 A हो जाती है, तो कुंडली में प्रेरित विद्युत वाहक बल (emf) 40 mV होता है। कुंडली का स्व-प्रेरकत्व (self-inductance) कितना है?
- 14 μH
- 240 mH
- 34 mH✓
- 44 H
सही उत्तर देखें
4 mH
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