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A resister of `80 Omega` is connected to a cell and the potential difference across the resistor is 40 V. Then the amount of current that flows through the given resistor is `"_____"` A.
A. 0.25
B. 0.5
C. 5
D. 2.5

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Correct Answer - B
We know, `V = iR rArr i = V/R = (40R)/(80Omega) = 0.5 A`.

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