find the current through a resistor of 2.0ohm if the p.d across it is 0.5v ??

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06-09-2014
Physics

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find the current through a resistor of 2.0ohm if the p.d across it is 0.5v ??

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AL2006 AL2006 · Answer 1 · 2014-09-08T18:28:10+02:00

AL2006 AL2006

08-09-2014

Voltage (potential difference) across any component = (current) x (resistance)

0.5 volt = (current) x (2 ohms)

Divide each side by 2 ohms :

Current = 0.5 / 2 = 0.25 Ampere = 250 mA

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