Question
Question: In the circuit shown, each resistance is 2W. The potential V<sub>1</sub> as indicated in the circuit...
In the circuit shown, each resistance is 2W. The potential V1 as indicated in the circuit, is equal to –
A
11 V
B
– 11V
C
9 V
D
– 9 V
Answer
– 9 V
Explanation
Solution
i = 7Ω7V = 1 A
Current flows in anticlockwise direction in the loop. Therefore 0 – 1 × 2 – 1 × 2 – 5 = V1
V1 = – 9V