EEE :: RC Circuits
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What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
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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
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An 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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A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k
. Current flow in the circuit is -
For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is
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When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
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In a series RC circuit, when the frequency and the resistance are halved, the impedance
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A 2 k
resistor is in series with a 0.015 
F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle?
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