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AC Fundamentals, Circuit and Circuit Theory

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

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

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AC Fundamentals, Circuit and Circuit Theory
In any A.C. circuit always

Actual power is more than reactive power
Apparent power is more than actual power
Reactive power is more than apparent power
Reactive power is more than actual power

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AC Fundamentals, Circuit and Circuit Theory
For the same peak value which of the following wave will 'have the highest r.m.s. value?

Half wave rectified sine wave
Triangular wave
Square wave
Sine wave

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AC Fundamentals, Circuit and Circuit Theory
Which of the following circuit component opposes the change in the circuit voltage ?

Conductance
Capacitance
Inductance
Resistance

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

Resistance
Capacitive reactance
Capacitance
Inductive reactance

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AC Fundamentals, Circuit and Circuit Theory
In a series L-C circuit at the resonant frequency the

Current is minimum
Impedance is maximum
Voltage across C is minimum
Current is maximum

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