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Calculate the Value of the Resistance R in the Circuit Shown in the Figure So that the Current in the Circuit is 0.2 A. What Would B the Potential Difference Between Points a and B?

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Question

Calculate the value of the resistance R in the circuit shown in the figure so that the current in the circuit is 0.2 A. What would b the potential difference between points A and B?

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Solution

Apply Kirchhoff’s loop law in loop UVWXU:-

5(0.2) + R (0.2) + 10(0.2) = 6 − 2

⇒ R = 5Ω

VAB = VVW 5(0.2) = 1V

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2011-2012 (March) All India Set 2

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