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RL Circuits

RL Circuits
A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is

55.7
564
0.564
6.76

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RL Circuits
In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is

20 V
26.0 V
18.4 V
2 V

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RL Circuits
To increase the current in a series RL circuit, the frequency

should be increased
should be constant
cannot be determined without values
should be decreased

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RL Circuits
A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is

1200Ω
152.6Ω
1526Ω
942Ω

ANSWER DOWNLOAD EXAMIANS APP

RL Circuits
If a load is purely inductive and the reactive power is 12 VAR, the apparent power is

12 VA
24 VA
6 VA
0 VA

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RL Circuits
When the frequency of the voltage applied to a series RL circuit is increased, the phase angle

increases
decreases
cannot be determined without values
does not change

ANSWER DOWNLOAD EXAMIANS APP
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