SSC JE Electrical Engineering 27th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 131

What is the total impedance (in Ohms) of the series RLC circuit containing resistance of 8 Ohms, capacitive reactance of 2 Ohms and inductive reactance of 8 Ohms connected in series across a 100 V, 50 Hz supply?

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Question 132

What is the rms value of the alternating voltage (in V) having a peak value of 1000 V?

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Question 133

Calculate the quality factor of the resonant series RLC circuit, if its bandwidth is 30 Hz.

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Question 134

The line current for a balanced delta connected system is 10 A. Calculate the value of phase current (in A).

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Question 135

For the circuit shown below, the voltage (in V) across 4 mF capacitor is __________.

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Question 136

The maximum voltage induced in the coil is 200 V and the rotation angle of the coil is 45 degrees with respect to the coil. Find the instantaneous value of the sinusoidal waveform produced.

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Question 137

For a pure sinusoidal waveform the form factor and crest factor are______ and ______ respectively.

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Question 138

A sinusoidal voltage applied across a series R-C circuit is given by $$ 40 \sin \omega t V $$.The current flowing in the circuit is $$ 20 \sin (\omega t + 45^\circ) A. Determine the value of average power (in W).

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Question 139

A constant volatge of 60 V is applied at t = 0 across a series R-L circuit as shown in the figure.Determine the current (in A) in the circuit at t = 0+

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Question 140

Determine the value of inductor (in mH) connected in parallel with a capacitance of 5 F having a quality factor 6. Assume the resonant frequency of 5 rad /s.

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