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The network shown in the figure is a par...

The network shown in the figure is a part of complete circuit. What is the potential difference `V_B-V_A` when the current `I` is `5 A` and is decreasing at a rate of `10^3A//s`?

A

`20 V`

B

`15 V`

C

`10 V`

D

`5 V`

Text Solution

Verified by Experts

The correct Answer is:
B
`V_(A)-IR+15-L(dI)/(dt)=V_(B)`
`V_(B)-V_(A)=-IR+15-L(dI)/(dt)`

`V_(B)-V_(A)=-5xx1+15-5xx10^(-3)xx(-10^(3))`
`V_(B)-V_(A)=15` Volt
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