EXAMIANS
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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When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
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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 voltage applied to a series RC circuit is increased, the phase angle
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The complex number 6 + j6 is equivalent to
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In the complex plane, the number 4 + j3 is located in the
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In the complex plane, the number 14 – j5 is located in the
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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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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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What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
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