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RC Circuits
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
increases
remains the same
decreases
doubles
increases
remains the same
decreases
doubles
Answer
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Related Question
RC Circuits
In a series RC circuit, when the frequency and the resistance are halved, the impedance
is reduced to one-fourth
is halved
doubles
cannot be determined without values
is reduced to one-fourth
is halved
doubles
cannot be determined without values
Answer
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RC Circuits
Point +4 on the complex plane is
4 units above the origin on the j axis
4 units left of the origin on the real axis
4 units below the origin on the j axis
4 units right of the origin on the real axis
4 units above the origin on the j axis
4 units left of the origin on the real axis
4 units below the origin on the j axis
4 units right of the origin on the real axis
Answer
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RC Circuits
The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
is held constant
must be increased
has no effect
must be decreased
is held constant
must be increased
has no effect
must be decreased
Answer
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RC Circuits
A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form?
45.6 V
0.411 V
411.3 V
4.11 V
45.6 V
0.411 V
411.3 V
4.11 V
Answer
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RC Circuits
In the complex plane, the number 14 – j5 is located in the
fourth quadrant
first quadrant
second quadrant
third quadrant
fourth quadrant
first quadrant
second quadrant
third quadrant
Answer
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