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Wireman
AC CIRCUITS
Set 3
Set 3
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Q13485
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What is effect of current in a RC parallel circuit?
A
IC Leads IR by 90 Degree
B
IC Lags IR by 90 Degree
C
IR Leads IC 90 Degree
D
IR & IC are in phase
Q13486
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What is impedance in AC, RL series circuit if resistance is 3 ohm and inductive reactance 4 ohm?
A
3 ohm
B
5 ohm
C
7 ohm
D
12 ohm
Q13487
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What is the reactive power, if the active power is 4 Kw, and the apparent power is 5 Kw in a 3 phase circuit?
A
1 Kw
B
2 Kw
C
3 Kw
D
4 Kw
Q13488
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Where the artificial neutral is required for measuring phase voltage in 3 phase circuit?
A
3 wire star connected system
B
4 wire star connected system
C
3 wire delta connected system
D
4 wire delta connected system
Q13489
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What is the power factor, if one wattmeter reads zero and other reads some positive reading in two wattmeter method of 3 phase power measurement?
A
Unity
B
Above 0.5
C
0.5
D
Below 0.5
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