In the given sub circuit, the resistance R=0.2 Ω If VA-VB=0.5 V I = 0.5 A and (dI/dt) = 8 A/s, then find the inductance of the coil.
0.01 H
0.02 H
0.05 H
0.5 H
VA-VB=VL+VR=dldt+IR
or 0.5=L×8+0.5×0.2
L = 0.05 H