1P AC Circuits

Which of the following frequencies has the longest period?

Which of the following produces a reactive power?

In a series RL circuit, the inductor current _________ the resistor current.

Form factor is defined as

The rms value of a sinusoidal wave is equal to ______ of maximum value.

The current following in L and C at parallel resonance are

At resonance, the impedance of a series RLC circuit is

At resonance, the current in a series RLC circuit is

In parallel RC circuit as the value of frequency increases the power factor _____.

The net reactance in a series RLC circuit is

Which wqave form will have the minimum rms value if they have the same peak value of voltage?

Sparking occurs when a load is switched off because the circuit has high

If resonant frequency is 10kHz and quality factor is 50, then

For an RL circuit, the power factor cannot be less than ______ or greater than _____.

In a given circuit, when the power factor is unity, the reactive power is

In a series RL circuit, the inductor current ________ the resistor current.

In a parallel RC circuit, as the capacitance decreases, the power factor ___________.

When the sole purpose of an alternating current is to produce heat, the selection of conductor is based on _______ value of the current.

The phase angle for a series RC circuit may be computed as the angle between the __________ and __________ phasors.

The impedance triangle is similar to the __________ triangle with the resistance phasor in place of the __________.