A Series LR Circuit Dissipates 60 W

question 43

Multiple Choice

A series LR circuit dissipates 60 W.The circuit is powered by a 120 V rms 60 Hz supply.If the current is 2.0 A rms,what is the power factor?

• A) 0
• B) 0.25
• C) 0.50
• D) 0.75
• E) 1.0

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Definitions:

Amperage

The strength of an electric current measured in amperes.

Electrical Pressure

Another term for voltage, indicating the potential difference or force that causes current to flow in a circuit.

Volts

The unit of measurement for electric potential or electromotive force, indicative of how much force pushing electric current through a circuit.

Check Valve

A valve that allows fluid to flow through it in only one direction, preventing backflow.