A network of four resistances is connected to a 9 V battery, as shown in the figure. The magnitude of voltage difference between the points A and B is __________ V. [2023]

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Solution

Q.
A network of four resistances is connected to a 9 V battery, as shown in the figure. The magnitude of voltage difference between the points A and B is __________ V. [2023]

Ans.
(3)

$In the circuit, I = \frac{9}{3} = 3 A$

$V_{C} - V_{A} = 2 \times 1.5 = 3$ ...(i)

$V_{C} - V_{B} = 4 \times 1.5 = 6$ ...(ii)

Equation (ii) - Equation (i)

$V_{A} - V_{B} = 6 - 3 = 3 V$

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