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SSC JE AC Fundamentals Quiz 65
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Question 1
Which of the following represents the relation between the peak value and RMS value of voltage for a sine wave?
Question 2
Determine the average value of an alternating current (in A) when the peak value of the current is 10 A.
Question 3
Determine the total impedance (in Ohms) of a series RLC circuit having a resistance of 10 Ohms, capacitive reactance of 2 Ohms and inductive reactance of 6 Ohms, connected in a series across a 200 V, 50 Hz supply.
Question 4
Find the quality factor of the series RLC circuit whose parameters are R = 2 ohm, L = 0.2 mH & C = 2 µF?
Question 5
Determine the total power (in kW) consumed by a 3-phase delta connected system supplied by a line voltage of 230 V, if the value of phase current is 30 A and the current lags the voltage by 30 degree.
Question 6
Determine the root means square value (in V) of the voltage waveform given in the figure below.
Question 7
Determine the time-period (in msec) of a sinusoidal wave when the frequency of the wave is 60 Hz.
Question 8
Calculate the power factor of an AC circuit having an impedance of 16 Ohms, if a 4 A current flows through it and its average power consumption is 200 W.
Question 9
A parallel RLC circuit is being supplied by a DC source as shown in the figure below. What is the value of current following through the capacitor (in A)?
Question 10
Calculate the value of phase angle (in Degrees) in a series RC circuit having a resistance of 50 Ohms and a capacitive reactance of 86.6 Ohms, when supplied with a frequency of 50 Hz.
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