Mathematics · Self Inductance
The average emf induced in a coil is 2 V when the current is changed in 0.4 s. Consider the following statements: (A) If the current changes from 5 A to 2 A, the self-inductance of the coil is 0.266 mH. (B) If the current changes from 4 A to 4 A in the opposite direction, the self-inductance of the coil is 0.10 mH. Which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (B) are incorrect✓
- 2(A) is incorrect, (B) is correct
- 3Both (A) and (B) are correct
- 4(A) is correct, (B) is incorrect
Correct answer
Both (A) and (B) are incorrect
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