If the voltage is 12 volts and the resistance is 3 ohms, what is the current?

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Multiple Choice

If the voltage is 12 volts and the resistance is 3 ohms, what is the current?

Explanation:
Current equals voltage divided by resistance. With 12 volts and 3 ohms, I = 12 / 3 = 4 amperes, so the current is 4 A. The units line up correctly since volts per ohm give amperes. If the resistance were larger, the current would be smaller; if it were smaller, the current would be larger.

Current equals voltage divided by resistance. With 12 volts and 3 ohms, I = 12 / 3 = 4 amperes, so the current is 4 A. The units line up correctly since volts per ohm give amperes. If the resistance were larger, the current would be smaller; if it were smaller, the current would be larger.

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