SSC JE Electrical Engineering 22nd Jan 2018 Shift-2
For the following questions answer them individually
What will be the instantaneous value of the alternating voltage ( in V ) which is represented by $$ v (t) = 120 \sin (1 1t - 20)V$$, when the value of t is 10 ?
What will be the value of capacitive reactance (in ohms) of a circuit, if it is supplied with 25 Hz supply, if the capacitive reactance of the circuit is 30 Ohms, when it is supplied with a 100 Hz supply?
A series RLC circuit has a capacitance, inductance and resistance of 0.018 mF, 2 mH and 10 Ohms respectively. What is the resonant frequency (in kHz) of the circuit?
What is the value of current (in A) at half power of a series RLC circuit at resonance, when the maximum value of current is 20 A?
What is the value of quality factor of a series RLC circuit having capacitance of 0.01 mF, inductance of 1 mH and resistance of 75 Ohms?
The reading of watt meter and ammeter is 1 kW and 10 A respectively in the three phase circuit given below.What is the value of power factor of the circuit, if the circuit is balanced?
What is the number of wattmeters required to measure the power of a poly phase system containing 'n' conductors?
What is the apparent power of a 3-phase star connected system having phase voltage of 254.05 V and line current of 10 A and the phase difference between the voltage and current is 45 degrees?
