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The answer and how to do it

The answer and how to do it-example-1
User Ardavan
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Current = charge per second
2 Coulombs per second = 2 Amperes

Potential difference = (current)x(resistance) in volts.

That's (2 Amperes) x (2 ohms).

That's how to do it.
I think you can find the answer now.
User WillamS
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