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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

0.564
55.7
564
6.76

ANSWER DOWNLOAD EXAMIANS APP

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

doubled
increased
not a factor
decreased

ANSWER DOWNLOAD EXAMIANS APP

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

2 V
18.4 V
26.0 V
20 V

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

RL Circuits
A 470Ω resistor and a coil with 125Ω inductive reactance are in parallel. Both components are across a 15 V ac voltage source. Current through the inductor is

152 mA
12 mA
120 mA
32 mA

ANSWER DOWNLOAD EXAMIANS APP
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