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In the circuit shown, each resistance is...

In the circuit shown, each resistance is `2Omega.` The potential `V_1` is an indicated in the circuit. What is the magnitude of `V_1` in volt ?

Text Solution

Verified by Experts

The correct Answer is:
9
The resulting circuit can be drawn as shown. No current will flow into the earth.

`I = (12 -5)//7 = 1A, V_A - 2i - 2i - 5 = V_1, but V_A = 0`
so ` V_1 = -9V`
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