# In any A.C. circuit always?

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In any A.C. circuit always?

In any A.C. circuit always apparent power is more than actual power.

## Related questions

In an A.C. circuit power is dissipated in?

The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

Pure inductive circuit takes power from the A.C. line when?

All the rules and laws of D.C. circuit also apply to A.C. circuit containing?

A parallel AC. circuit in resonance will?

In an AC. circuit, a low value of kVAR compared with kW indicates?

Can you apply Thevenin's theorem in an AC circuit?

Can we apply Norton's theorem in an AC circuit?

What is the purpose of a capacitor in an AC circuit?

The power factor of a D.C. circuit is always?

Can we apply the superposition theorem to AC circuit?

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

Explain power in single phase AC circuit.

An AC supply of 230 V is applied to a half-wave rectifier circuit through a transformer having primary to secondary turn’s ratio 12:1. The peak inverse voltage is A) 8.62 V B) 12 V C) 19.17 V D) 27.11 V

In a series R-C circuit, with the increase in frequency, current (A) Reduces (B) Increases (C) Does not change (D) Becomes zero

In a series L-C circuit at the resonant frequency the?

In a R-L-C circuit?

In a loss-free R-L-C circuit the transient current is?

State any four advantages of A. C. over D. C .

The series and parallel resonance on L-C circuit differs in that?

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

Magnitude of current at resonance in R-L-C circuit?

The power factor at resonance in R-L- C parallel circuit is?

An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms?

A series R-L-C Circuit has a resonant frequency of 1000 Hz. If the values of R, L and C are doubled, the new resonant frequency is

A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is (A) 300 W (B) 150 W (C) 45 W (D) 20 W

At very low frequencies a series R-C circuit behaves as almost purely?

The time constant of a series R-C circuit is given by?

List any two methods of reactive power measurement in 3 phase circuit.

The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of______degrees.

In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C?

Breaking capacity of a circuit breaker is usually expressed in terms of  (1) Ampere (2) Volts (3) MW (4) MVA

Which of the following is used in a circuit breaker as the medium in which the arc forms? A) Insulating gas B) Insulating oil C) Vacuum D) All the above

What is the RMS voltage in a series RL circuit, if the voltage across R and L is 256 V and 192 V respectively? A) 320 V B) 448 V C) 64 V D) None of these

Consider a circuit with four 10 Ω resistors connected in parallel and the current flowing through the circuit is 5 A. What will be the current if the above 4 resistors are connected in parallel? A) 5 A B) 50 A C) 500 A D) None of these

Permeability in a magnetic circuit corresponds to______ in an electric circuit.

In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will?

In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will?

If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be?