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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

6.76
55.7
564
0.564

ANSWER DOWNLOAD EXAMIANS APP

RL Circuits
When the frequency is decreased, the impedance of a parallel RL circuit

is not a factor
remains constant
decreases
increases

ANSWER DOWNLOAD EXAMIANS APP

RL Circuits
A 3.3 kΩ resistor and a 120 mH coil are in parallel. Both components are across a 2 kHz, 12 V ac source. The total current in the circuit is

8.74 A
874 mA
874 A
8.74 mA

ANSWER DOWNLOAD EXAMIANS APP

RL Circuits
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle

increases
is not affected
decreases
cannot be determined

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

12 mA
120 mA
152 mA
32 mA

ANSWER DOWNLOAD EXAMIANS APP

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

increases
does not change
decreases
cannot be determined without values

ANSWER DOWNLOAD EXAMIANS APP
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