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AC Fundamentals, Circuit and Circuit Theory

AC Fundamentals, Circuit and Circuit Theory
In a sine wave the slope is constant

No where
Between 180° and 270°
Between 0° and 90°
Between 90° and 180°

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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
The voltage of domestic supply is 220 V. This figure represents

Peak value
Average value
Mean value
R.m.s. value

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AC Fundamentals, Circuit and Circuit Theory
Power factor of an electrical circuit is equal to

Ratio of useful current to total current Iw/I
Cosine of phase angle difference between current and voltage
R/Z
all of these

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AC Fundamentals, Circuit and Circuit Theory
The equation of 50 Hz current sine wave having r.m.s. value of 60 A is

60 sin 25 t
84.84 sin 3141
60 sin 50 t
42.42 sin 314 t

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AC Fundamentals, Circuit and Circuit Theory
Ohm is unit of all of the following except

Resistance
Capacitance
Capacitive reactance
Inductive reactance

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