Recreational Vehicle (RV) Technician Practice Test

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How many amps will a 12 volt circuit draw with 5 ohms resistance?

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To determine how many amps a 12-volt circuit will draw with 5 ohms of resistance, we can use Ohm's Law, which states that the current (I) in a circuit is equal to the voltage (V) divided by the resistance (R). The formula is given as:

I = V / R

In this case, the voltage (V) is 12 volts, and the resistance (R) is 5 ohms. Plugging in these values:

I = 12 volts / 5 ohms = 2.4 amps

This calculation shows that the circuit will draw 2.4 amps when a 12-volt potential difference is applied across a resistance of 5 ohms. Therefore, the answer is accurate based on the fundamental principles of electrical circuits outlined in Ohm's Law.

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