EXAMIANS
When the frequency of the voltage applied to a series RC circuit is increased, the phase angle
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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
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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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In a series RC circuit, when the frequency and the resistance are halved, the impedance
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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 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is
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The complex number 6 + j6 is equivalent to
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When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
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The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
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A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is
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