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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
100 mA
282 mA
200 mA
141 mA
100 mA
282 mA
200 mA
141 mA
Answer
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Related Question
RC Circuits
Point +4 on the complex plane is
4 units above the origin on the j axis
4 units right of the origin on the real axis
4 units left of the origin on the real axis
4 units below the origin on the j axis
4 units above the origin on the j axis
4 units right of the origin on the real axis
4 units left of the origin on the real axis
4 units below the origin on the j axis
Answer
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RC Circuits
When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
decreases
becomes erratic
remains the same
increases
decreases
becomes erratic
remains the same
increases
Answer
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RC Circuits
A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is
13 mW
84.5 mW
130 mW
845 mW
13 mW
84.5 mW
130 mW
845 mW
Answer
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RC Circuits
In a series RC circuit, when the frequency and the resistance are halved, the impedance
is reduced to one-fourth
doubles
is halved
cannot be determined without values
is reduced to one-fourth
doubles
is halved
cannot be determined without values
Answer
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RC Circuits
An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:
R > XC
R = 5XC
R = XC
R < XC
R > XC
R = 5XC
R = XC
R < XC
Answer
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