EXAMIANS
The complex number 40 angle 55° is equivalent to
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In the complex plane, the number 4 + j3 is located in the
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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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A positive angle of 30° is equivalent to a negative angle of
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For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is
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A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z?
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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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What is the angular difference between +j4 and –j4?
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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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