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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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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What is the angular difference between +j4 and –j4?
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The complex number 40 angle 55° is equivalent to
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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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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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In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is
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