The described scenario yields 120 volts DC. What is the unit of this voltage?

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Study for the GFA Lighting and Electric Test. Enhance your skills with flashcards and multiple choice questions. Each question includes hints and explanations to get you ready for your exam!

Multiple Choice

The described scenario yields 120 volts DC. What is the unit of this voltage?

Explanation:
Voltage tells you the electric potential difference in a circuit. If a scenario yields 120 volts DC, the unit describing that electrical potential is the volt (symbol V). Amperes measure current (the flow of charge), ohms measure resistance (how much a component resists current), and joules measure energy or work. So the unit for the given voltage is volts.

Voltage tells you the electric potential difference in a circuit. If a scenario yields 120 volts DC, the unit describing that electrical potential is the volt (symbol V). Amperes measure current (the flow of charge), ohms measure resistance (how much a component resists current), and joules measure energy or work. So the unit for the given voltage is volts.

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