A coil has an inductance of 2 H and resistance of 4 
. A 10 V is applied across the coil. The energy stored in the magnetic field after the current has built up to its equilibrium value will be_____x 10 -2 J
Text Solution
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(625)
The data given is
L = 2H
R = 4 
V = 10 V
Using Ohm's law, V = IR,
The energy of an inductor is given by
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