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RL Circuits

RL Circuits
Referring to Problem 23, the reactive power is

100 mVAR
10 mVAR
148 mVAR
6.76 mVAR

ANSWER DOWNLOAD EXAMIANS APP

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

cannot be determined without values
decreases
increases
does not change

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

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

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RL Circuits
The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is

increased
doubled
not a factor
decreased

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RL Circuits
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance

does not change
decreases
increases
cannot be determined without values

ANSWER DOWNLOAD EXAMIANS APP

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

942Ω
1526Ω
152.6Ω
1200Ω

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