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RC Circuits

RC Circuits
For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is

275 W
19.52 W
25 W
195.2 W

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RC Circuits
In a series RC circuit, when the frequency and the resistance are halved, the impedance

is halved
doubles
cannot be determined without values
is reduced to one-fourth

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RC Circuits
In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is

282 mA
141 mA
200 mA
100 mA

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

remains the same
increases
doubles
decreases

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RC Circuits
A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is

12 kHz
18 kHz
0 Hz
6 kHz

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RC Circuits
The complex number 40 angle 55° is equivalent to

40 + j40
22.94 + j32.76
55 + j55
45.88 + j65.52

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MORE MCQ ON RC Circuits

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