Electrical Engineering

Question: Periodic is characterized by a repetition at fixed time intervals.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Question: Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Question: Average value of a sine wave is 0.707 times the peak value.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

Question: Amplitude is the maximum value of a voltage or current.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Question: A phasor represents
[A].

the magnitude and a quantity direction

[B].

the width of a quantity

[C].

the phase angle

[D].

the magnitude of a quantity

Answer: Option A

Explanation:

No answer description available for this question.

Question: A square wave has a period of 60 s. The first odd harmonic is
[A].

5 kHz

[B].

50 kHz

[C].

500 kHz

[D].

33.33 kHz

Answer: Option B

Explanation:

No answer description available for this question.

Question: A sawtooth wave has a period of 10 ms. Its frequency is
[A].

10 Hz

[B].

50 Hz

[C].

100 Hz

[D].

1,000 Hz

Answer: Option C

Explanation:

No answer description available for this question.

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

4 V

[B].

4.6 V

[C].

1.6 V

[D].

11 V

Answer: Option A

Explanation:

No answer description available for this question.

Question: A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is
[A].

6 V

[B].

30 V

[C].

35 V

[D].

0 V

Answer: Option C

Explanation:

No answer description available for this question.

Question: A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is
[A].

45.12 mA

[B].

16 mA

[C].

39.6 mA

[D].

22.6 mA

Answer: Option C

Explanation:

No answer description available for this question.