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प्रश्न
What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
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उत्तर
Let the required potential difference be V
Given, current I = 1 A and Resistance, R = 5 Ω
AIC to Ohm's law,
V = IR= (1) x (5) = 5 volt
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