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A Resistance of 20 Ohms Has a Current of 2 Amperes Flowing in It. What Potential Difference is There Between Its Ends? - CBSE Class 10 - Science

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Question

A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?

Solution

Here:
Resistance, R = 20 Ω
Current, I = 2 A
Substituting these values in the Ohm's equation, V/I = R:
Potential difference, V = I x R = 2 x 20 = 40 V

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Solution A Resistance of 20 Ohms Has a Current of 2 Amperes Flowing in It. What Potential Difference is There Between Its Ends? Concept: Electric Potential Difference.
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