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RL Circuits

RL Circuits
Referring to Problem 23, the reactive power is

148 mVAR
6.76 mVAR
100 mVAR
10 mVAR

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RL Circuits
In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is

42.4 A
4.24 A
6 A
424 mA

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RL Circuits
If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit

halves
remains constant
cannot be determined without values
doubles

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

0 VA
24 VA
12 VA
6 VA

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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
32 mA
152 mA

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

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

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