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AB is a part of circuit. Find the potent...

`AB` is a part of circuit. Find the potential difference `V_(A) - V_(B)` if
a. current `I = 2 A` and is constant,
b. current `i = 2 A` and is increasing at the rate of `1 A s^(-1)`,
c. current `i = 2 A` and is decreasing at the rate of `1 A s^(-1)`,

Text Solution

Verified by Experts

`L(di)/(dt)=1(di)/(dt)`
writing KVL from A to B
`V_(A)-1(di)/(dt)-5-2i=V_(B)`
(i) Put `i=2,(di)/(dt)=0`
`V_(A)-5-4=V_(B) " " :. V_(A)-V_(B)=9"volt"`
(ii) Pit `i=2,(di)/(dt)=1,V_(A)-1-5-4=V_(B) or V_(A)-V_(B)=10V_(0)`
(iii) Put `i=2,(di)/(dt)=-1,V_(A)+1-5-2xx2=V_(B) or V_(A)=8 "volt".`
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