Q)
(chatquestion)...78) A coil of inductance L = 50HH and resistance = 0.5N is
%3D
%3D
connected to a battery of emf = 5 V.
A resistance of 10 2 is connected parallel to the coil.
Now, at same instant the connection of the battery is
switched off. Then, the amount of heat generated in
the coil after switching off the battery is
(a) 1.25 mJ
%3D
(d) 0.12 mJ
(c) 0.65 mJ
(b) 2.5 mJ
79, In the circuit shown, the coil has inductance and
d to Y, the time constant is
...
