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In Physics / Middle School | 2014-09-05

Find the current through a resistor of 2.0 ohms if the potential difference across it is 0.5 volts.

Asked by vianjaf

Answer (2)

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

Answered by AL2006 | 2024-06-10

Using Ohm's Law, the current through a 2.0 ohm resistor with a potential difference of 0.5 volts is 0.25 amperes or 250 milliamperes. We found this by rearranging the equation V = IR to solve for I. The final answer shows the relationship between voltage, current, and resistance in an electric circuit.
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Answered by AL2006 | 2024-12-23

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