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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
The phosphors for which of the following pair are 180° out of phase for VL, VC and VR?

VC and VL
VL and VR
None of the listed here
VC and VR

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AC Fundamentals, Circuit and Circuit Theory
The main cause of silting up a channel,

Defective head regulator
All of these
Inadequate slope
Non-regime section

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AC Fundamentals, Circuit and Circuit Theory
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to

R.m.s. voltage
Peak voltage
None of the listed here
Average voltage

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AC Fundamentals, Circuit and Circuit Theory
In a loss-free R-L-C circuit the transient current is

Square wave
Oscillating
Non-oscillating
Sinusoidal

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AC Fundamentals, Circuit and Circuit Theory
Capacitors for power factor correction are rated in

kV
kVA
kVAR
kW

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AC Fundamentals, Circuit and Circuit Theory
What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value?

90°
30°
180°
45°

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