Coil has resistance of 15 ohm energy stored in the current reaches steady state value with 12 j what is the inductance value
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The inductance will be 1.5H
Explanation:
When current passes through an inductive coil magnetic field is produced in the surrounded area of coil.
Consider the DC equivalent of the circuit in figure.
Voltage applied = V = 100V
Resistance of coil = RL = 15 ohm
Resistance = R1 = 10 ohm
Energy stored = W = 12J
According to ohm’s law
V = IRt
I = 100/25 = 4A
Now,
W = ½ LI^2
L = (2) (12)/4^2
L = 1.5 H
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