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DGVCL Exam Paper (11-12-2011)
An AC series circuit has R = 6 Ω, XL = 20 Ω and Xc = 12 Ω. The ciruit power factor will be
0.6 lagging
0.8 lagging
0.5 leading
0.6 leading
0.6 lagging
0.8 lagging
0.5 leading
0.6 leading
Answer
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Related Question
DGVCL Exam Paper (11-12-2011)
At time t= 0+ , with zero initial condition, which of the following acts as a short circuit?
Conductor
Voltage source
Capacitor
Resistor
Conductor
Voltage source
Capacitor
Resistor
Answer
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DGVCL Exam Paper (11-12-2011)
Which of the following power distribution system gives better reliabity ?
Ring main system
Radial system
DC 3 wire system
None of these
Ring main system
Radial system
DC 3 wire system
None of these
Answer
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DGVCL Exam Paper (11-12-2011)
The main criterion for the design of a distributor is
Radio interference
Temperature rise
Corona loss
Voltage drop
Radio interference
Temperature rise
Corona loss
Voltage drop
Answer
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DGVCL Exam Paper (11-12-2011)
In a series RLC circuit at resonance
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Current is maximum and power factor is 0.5
Current is minimum and power factor is unity
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Current is maximum and power factor is 0.5
Current is minimum and power factor is unity
Answer
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DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?
The force increases when the distance between the conductors is increased
There is an attracting force between the conductors
There is a repelling force between the conductors
The force increases when the distance between the conductors is decreased
The force increases when the distance between the conductors is increased
There is an attracting force between the conductors
There is a repelling force between the conductors
The force increases when the distance between the conductors is decreased
Answer
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