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If an 80 mH inductor is in series with a 220 Ω resistor in a circuit...

If an 80 mH inductor is in series with a 220 Ω resistor in a circuit with a source frequency of 1000 Hz, what will be the phase angle (rounded) of the current with respect to the voltage?
A. 48°
B. 66°
C. 50°
D. 70°

A 10 mH inductor and a 100 Ω resistor are connected in parallel. The circuit is supplied with 24 VAC
at 2000 Hz. What is the total circuit current (rounded)?

A. 0.29 A
B. 0.31 A
C. 0.42 A
D. 0.46 A

What is the time constant of a 0.1 microfarad capacitor and a 10,000 ohm resistor that are connected in series?

A. 0.01 second
B. 1,000 microseconds
C. 10 milliseconds
D. 1 second

Which of the following materials would not be used as a dielectric material in a capacitor?

A. Aluminum foil
B. Tantalum
C. Polystyrene
D. Paper

What is the capacitive reactance of a 0.006 microfarad capacitor in an AC circuit that has a frequency of 2,000 Hz?

A. 8,236 ohms
B. 6,154 ohms
C. 12.380 ohms
D. 13,270 ohms
0 0
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