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RC CIRCUITS QUIZ

The complex number 40 angle 55° is equivalent to

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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 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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A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, 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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When the frequency of the voltage applied to a series RC circuit is decreased, the impedance

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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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A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total 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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A positive angle of 30° is equivalent to a negative angle of

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