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MHT CET Physics question

PhysicsCurrent ElectricityMHT CET

A cell of e. m. f. 2 V and internal resistance is connected across a resistor . The current that flows is same as that, when a cell of e. m. f. 1.5 V and internal resistance is connected across the same resistor. Then

Answer: (A)

Solution

Equal currents give , so and ;

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Question ID VK-045153