SSC JE Electrical Engineering 25th May 2014 Shift-1
For the following questions answer them individually
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 151
The synchronous speed of a three phase induction motor having 20 poles and connected to a 50 Hz source is
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 152
A circuit with a resistor, inductor and capacitor in series is resonant of $$f_o$$ Hz. If all the component values are now doubled the new resonant frequency is
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 153
A 2 cm long coil has 10 turns and carries a current of 750 mA. the magnetising force of the coil is
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 154
A consumer has annual consumption of 700800 units. If his maximum demand is 200 kW. The load factor will be
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 155
The rated voltage of a 3-phase power system is given as
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 156
For a half wave rectifier sine wave the ripple factor is
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 157
Which one of the following bridges is generally used for measurement of frequency and also capacitance?
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 158
Two voltmeter of (0-300 V) range are connected in parallel to a A.C. circuit. One voltmeter is moving iron type reads 200 V. If the other is PMMC instrument, its reading will be
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 159
The least number of $$1 - \phi$$ wattmeters required to measure total power consumed by an unbalanced load fed from a $$3 \phi$$ , 4 wire system is
SSC JE Electrical Engineering 25th May 2014 Shift-1 - Question 160
Total capacitance between the points L and M in figure is
