PhysicsEasy55×since 2003Q6673When the current changes from +2A+ 2A+2A to −2A-2A−2A in 0.050.050.05 second, an e.m.f.e.m.f.e.m.f. of 888 VVV is inducted in a coil. The coefficient of self- induction of the coil isA0.2H0.2H0.2HB0.4H0.4H0.4HC0.80.80.8 HHHD0.10.10.1 HHHCheck answerSkip