SSC JE Electrical Engineering 23rd Jan 2018 Shift-2

What is the root mean square value of the voltage waveform (in V) given in the figure below?

Whatis the peak-to-peak value of a sinusoidal voltage (in V) having average value of 100 V?

What is the value of capacitance in $$( \mu F)$$ in the RLC circuit given below?

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 resistor (in A)?

Calculate the phase angle between the voltage and current phasorof a series RL circuit having resistance of 65 Ohmsand inductive reactance of 37.53 Ohms when supplied by a frequency of 60 Hz.

- Calculate the value of resonant frequency (in kHz) of a tank circuit having capacitance of 0.01 mF and inductance of 0.01 mH?

Calculate the induced emf(in V) in the inductor of a series RL circuit having inductance of 1.8 H and resistance of 90 Ohmsafter 20 milli-seconds, when supplied by a 20 V DC source.

A delta connected 3-phasecircuit has three equal resistances of 36 Ohmsin each phase. What is the value of per phase resistance (in Ohms) of the equivalent star connected circuit?

Calculate the powerfactor 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.

Power consumedby a balanced star connected 3-phase load is measured using two-wattmeter method. The phase voltage and phasecurrent in the load is 220 V and 10 A respectively. Whatwill be difference in reading (in W) of the two wattmeter, if the power factor of the system is 0.8 lagging?