EXAMIANS
When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
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In the complex plane, the number 14 – j5 is located in the
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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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In a series RC circuit, when the frequency and the resistance are halved, the impedance
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When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
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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
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Point +4 on the complex plane is
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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?
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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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A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z?
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