EXAMIANS
The complex number 6 + j6 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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A positive angle of 30° is equivalent to a negative angle of
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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 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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What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?
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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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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 40 angle 55° is equivalent to
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