Q44. A circuit in which there is a current of 10 amperes is changed so that the current falls to zero in 0.5 seconds. If an average e.m.f. of 400 volts is induced, what is the self-inductance of the circuit? Physics — Magnetism and Electromagnetic Induction Past Paper — Question 44 of 591A. 10 Henrys B. 20 Henrys C. 30 Henrys D. 40 Henrys E. 50 Henrys Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →