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AC Fundamentals, Circuit and Circuit Theory

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

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

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AC Fundamentals, Circuit and Circuit Theory
Which of the following statements pertains to resistors only?

Connecting them in parallel increases the total value
Can dissipate considerable amount of power
Can act as energy storage devices
Oppose sudden changes in voltage

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AC Fundamentals, Circuit and Circuit Theory
For a sine wave with peak value Imax the r.m.s. value is

1.414 Imax
0.5 Imax
0.9
0.707

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AC Fundamentals, Circuit and Circuit Theory
In a series resonant circuit, the impedance of the circuit is

None of these
Minimum
Zero
Maximum

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AC Fundamentals, Circuit and Circuit Theory
The safest value of current the human body can carry for more than 3 second is

5 mA
4 mA
9 mA
15 mA

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AC Fundamentals, Circuit and Circuit Theory
Power factor of the following circuit will be zero

Inductance
Resistance
Both of the listed here
Capacitance

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