In the circuit shown the cells A and B have negligible resistances- For VA-12 V- R1-500 - and R-100 - the galvanometer G shows no deflection- The value of VB is -

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Non-Ideal Battery

In the circui...

Question

In the circuit shown the cells A and B have negligible resistances. For $V_{A} = 12$ V, $R_{1} = 500 Ω$ and $R = 100 Ω$ the galvanometer (G) shows no deflection. The value of $V_{B}$ is :-

12 V

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6 v

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4 V

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2 V

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Solution

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A

B

V_{A} = 12 V, R_{1} = 500 Ω

R = 100 Ω

(G)

V_{B}

V_{A} = 12 V, R_{1} = 500 Ω

R = 100 Ω

V_{B}

In the circuit shown, the galvanometer shows zero deflections. The batteries have negligible internal resistance. The value of the resistor R is

R_{1} = 400 Ω,

R_{3} = 100 Ω,

R_{4} = 500 Ω,

R_{4}

R_{2}

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