EXAMIANS
The complex number 40 angle 55° is equivalent to
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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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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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When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
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Point +4 on the complex plane is
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The complex number 6 + j6 is equivalent to
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A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is
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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 the complex plane, the number 4 + j3 is located in the
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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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