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Electrical Engineering - RC Circuits

Exercise : RC Circuits - General Questions
6.
A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
0 Hz
12 kHz
6 kHz
18 kHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
must be increased
must be decreased
is held constant
has no effect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In the complex plane, the number 4 + j3 is located in the
first quadrant
second quadrant
third quadrant
fourth quadrant
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
increases
decreases
does not change
decreases to zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A 47 resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z?
129
12.9
167
73
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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