Electrical Engineering (EE) Exam > Electrical Engineering (EE) Tests > Test: AC Power Analysis - 1 - Electrical Engineering (EE) MCQ
Test: AC Power Analysis - 1 - Electrical Engineering (EE) MCQ
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10 Questions MCQ Test - Test: AC Power Analysis - 1
Test: AC Power Analysis - 1 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: AC Power Analysis - 1 questions and answers have been prepared
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for the waveform shown below is
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Test: AC Power Analysis - 1 - Question 2
For the idealized full wave rectifier system the average and rms value of the voltage is
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Test: AC Power Analysis - 1 - Question 3
The instantaneous power delivered to the 5 Ω resistor at t = 0 in the given circuit is
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Test: AC Power Analysis - 1 - Question 4
For a sinusoidal waveform, the ratio of average to rms value is
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Test: AC Power Analysis - 1 - Question 5
An impedance of (3 + j 4) Ω is connected in parallel with a resistance of 10 Ω. The ratio of power loss in these parallel circuits is
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Test: AC Power Analysis - 1 - Question 6
A 0.2 HP induction motor runs at an efficiency of 85%. If the operating power factor is 0.8 lag, the reactive power taken by the motor is
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Test: AC Power Analysis - 1 - Question 7
In an a.c. circuit, v = 100 sin (ωt + 30°) V, i = 5 sin(ωt- 30°) A. The apparant and reactive power in the circuit are respectively
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Test: AC Power Analysis - 1 - Question 8
The inductive reactance in series with Z in the circuit shown below has a value of 25 Ω If the voltage drop a cross Z is 179 volts, the power dissipated in the circuit is 320 W.
The reactive part of Z is
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Test: AC Power Analysis - 1 - Question 9
The values of current I1 and I2 in the circuit shown below are given by:
1A = (0.8 + j0.2) A and I2 = -(1 - j0.5) A
The total power lost in the 5 Ω resistor is
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