Q.

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.

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a

0.01 H

b

0.02 H

c

0.05 H

d

0.5 H

answer is C.

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Detailed Solution

VA-VB=VL+VR=dldt+IR or   0.5=L×8+0.5×0.2L = 0.05 H
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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.