Q-1 which motor use in mix is
Ans- universal motor
Q-2 which motor use in tape recorder
Ans- hysteresis motor
Q-3 which instrument is used in measure high resistance
Ans- megger
Q-4 emf induced in coil of n turns
Ans- -n(d€÷dt)
Q-5 two capicitor connect in parallel then equivalent capacitance
Ans- c1+c2
Q-6 what is power consumed by the resister 20ohm connected across 100 v source
Ans- 500w
Q-7 how much energy is stored by 100mH inductance when 1amp flowing
Ans- 0.05 j
Q-8 the rate of change of current in 4h inductor is 2amp/sec find voltage
Ans- 8v
Q-9 the no load primary current i@ is about
Ans- 3-5 %
Q-10 which motor is not self starting
Ans- synchronous motor
Q-11 A 10 pole 25 hz altetnator driven by 60hz syn. Motor no. Of poles are
Ans- 24 poles
Q-12 symmetrical fault
Ans- LLLG fault
Q-13 base load power station
Ans- 12-24 hrs
Q-14 max. No. Of point socket outlet
Ans- 10
Q- 15 human are more vulnerable to electric shock current at
Ans- 50hz
Q-16 unit of luminous flux is
Ans- lumen
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