Q.1.
A signal with a 400 µs period has a frequency of
Q.2.
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is
Q.3.

The length of a phasor represents the amplitude.

Q.4.

Amplitude is the maximum value of a voltage or current.

Q.5.

The duty cycle of a pulse waveform with a pulse width ofµs and a period ofµs is 25%.

Q.6.

A ramp is the type of waveform characterized by a non-linear increase or decrease in voltage or current.

Q.7.

A 1 kHz signal has a period of 1 ms.

Q.8.

The angular position of a phasor represents the angle of the sine wave with respect to a reference.

Q.9.

The instantaneous value is the voltage or current value of a waveform at its peak.

Q.10.

The designation rms means repetitions measured per second.

Q.11.

Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.

Q.12.

The unit of frequency is the hertz.

Q.13.

Periodic is characterized by a repetition at fixed time intervals.

Q.14.

Average value of a sine wave is 0.times the peak value.

Q.15.

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is

Q.16.

A sine wave ofkHz is changing at a faster rate than a sine wave with a frequency of

Q.17.

A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is

Q.18.

A pulse waveform has a high time of 8 ms and a pulse width ofms. The duty cycle is

Q.19.

A sine wave ofkHz is changing at a faster rate than a sine wave with a frequency of

Q.20.

A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is

Q.21.

A pulse waveform has a high time of 8 ms and a pulse width ofms. The duty cycle is

Q.22.

The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate ofrps. The frequency of the induced output voltage is

Q.23.

The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate ofrps. The frequency of the induced output voltage is

Q.24.

The average value of aV peak sine wave over one complete cycle is

Q.25.

A sine wave with an rms value ofV is riding on a dc level ofV. The maximum value of the resulting waveform is

Q.26.

Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?

Q.27.

Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?

Q.28.

When a sine wave has a frequency ofHz ins it goes through

Q.29.

If the peak of a sine wave isV, the peak-to-peak value is

Q.30.

A phasor represents