The self-induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1s, the change in the energy of the inductance is : |
|||
(a) |
437.5 J |
(b) |
637.5 J |
(c) |
740 J |
(d) |
540 J |
The self-induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1s, the change in the energy of the inductance is : |
|||
(a) |
437.5 J |
(b) |
637.5 J |
(c) |
740 J |
(d) |
540 J |