SSC JE Electrical Engineering 24th Jan 2018 Shift-2
For the following questions answer them individually
What will be the instantaneous value of the alternating current (in $$A$$) which is represented by $$i(t) = 20 \sin(13t - 20)A$$, when the value of $$t$$ is 5?
What is the peak value of the alternating voltage (in V) having an average value of 180 V?
The capacitive reactance of a circuit is 60 Ohms, when it is supplied with a 50 Hz supply. Whatwill be the value of capacitive reactance (in Ohms) of the samecircuit,if it is supplied with a 60 Hz supply?
A parallel RLC circuit is being supplied by a DC source as shown in the figure below. What is the value of current flowing through the capacitor (in A)?
Calculate the value of phase angle (in Degrees) in a series RC circuit having a resistance of 50 Ohmsand a capacitive reactance of 86.6 Ohms, when supplied with a frequency of 50 Hz.
What is the value of the total impedance (in ohms)of a tank circuit working at resonant frequency having a capacitance of 0.01 mF and an inductance of 0.01 mH?
Calculate the time (in seconds) taken by a series RL circuit having inductance of 0.6 H and resistance of 30 Ohmsto reach a steady state value.
A 3-phase delta connected system is supplied by a line voltage of 400 V. The value of phase current is 70 A. Whatis the power (in kW) consumed by the system, if the current lags the voltage by 60 degrees?
What is the apparent power of a 3-phase star connected system having a line voltage of 250 V and a line current of 40 A and the phase difference between the voltage and current is 36.87 degrees?
