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Wireman
AC CIRCUITS
Set 1
Set 1
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Q13475
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What is the value of form factor?
A
1.23
B
1.11
C
0.81
D
0.707
Q13476
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What is the RMS value of alternating voltage?
A
0.637 X Vav
B
0.707 X Vav
C
0.637 X Vmax
D
0.707 X Vmax
Q13477
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Which quantity is rotating at a constant angular velocity?
A
Scalar quantity
B
Vector quantity
C
Phas or quantity
D
Algebraic quantity
Q13478
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What is the shape of the waveform of A/C?
A
Sine wave
B
Square wave
C
Sawtooh wave
D
Pulsating wave
Q13479
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What is the inductive reactance of a coil having 20H inductance operating at 50 Hz supply frequency?
A
6252 Ohm
B
6273 Ohm
C
6284 Ohm
D
6382 Ohm
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