The Following Section consists of Multiple Choice Questions on RC Circuits.
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RC Circuits MCQ
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Question 1 of 16
1. Question
1 pointsIn the complex plane, the number 14 – j5 is located in the
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Question 2 of 16
2. Question
1 pointsPoint +4 on the complex plane is
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Question 3 of 16
3. Question
1 pointsA positive angle of 30° is equivalent to a negative angle of
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Question 4 of 16
4. Question
1 pointsIn a series RC circuit, 12 V_{(rms)} is measured across the resistor and 15 V_{(rms)} is measured across the capacitor. The rms source voltage is
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Question 5 of 16
5. Question
1 pointsA 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
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Question 6 of 16
6. Question
1 pointsThe voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
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Question 7 of 16
7. Question
1 pointsIn the complex plane, the number 4 + j3 is located in the
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Question 8 of 16
8. Question
1 pointsWhen the frequency of the source voltage decreases, the impedance of a parallel RC circuit
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Question 9 of 16
9. Question
1 pointsWhat is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
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Question 10 of 16
10. Question
1 pointsIn a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is
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Question 11 of 16
11. Question
1 pointsAn ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:
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Question 12 of 16
12. Question
1 pointsWhat is the angular difference between +j4 and –j4?
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Question 13 of 16
13. Question
1 pointsFor a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is
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Question 14 of 16
14. Question
1 pointsWhen the frequency of the voltage applied to a series RC circuit is increased, the phase angle
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Question 15 of 16
15. Question
1 pointsIn a series RC circuit, when the frequency and the resistance are halved, the impedance
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Question 16 of 16
16. Question
1 pointsWhen the frequency of the voltage applied to a series RC circuit is decreased, the impedance
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RC Circuits MCQ 2
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Question 1 of 4
1. Question
1 pointsIn a 20 Vac series RC circuit, if 20 V is read across the resistor and 40 V is measured across the capacitor, the applied voltage is
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Question 2 of 4
2. Question
1 pointsPower that is measured in voltamperes is called
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Question 3 of 4
3. Question
1 pointsWhich statement about a series RC circuit is true?
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Question 4 of 4
4. Question
1 pointsWhat is the effect of increasing the resistance in a series RC circuit?
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