29 Oct If the current through a coil having an inductance of 0.5 H is reduced from 5 A to 2 A in 0.05 s, calculate the mean
If the current through a coil having an inductance of 0.5 H is reduced
from 5 A to 2 A in 0.05 s, calculate the mean value of the e.m.f.
induced in the coil