Electronics - Alternating Current and Voltage

Exercise :: Alternating Current and Voltage - General Questions

6. 

What is the instantaneous peak voltage at 250° on a 6 V peak sine wave?

A. +5.64 V
B. –5.64 V
C. +26.13 V
D. –26.13 V

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

7. 

Calculate the positive-going slope of the waveform in the given circuit.

A. 5 V/ms
B. 2.5 V/ms
C. 2.5 V/s
D. 5 V/s

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

8. 

A rectangular wave that has a duty cycle of 50% could be called a

A. "c" wave
B. sawtooth wave
C. square wave
D. triangular wave

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

9. 

Calculate the duty cycle of the repetitive pulse waveform in the given circuit.

A. 8.33%
B. 0%
C. 33.33%
D. 25%

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

10. 

The effective value of a sine wave is equal to

A. 0.707 of peak voltage
B. 0.636 of peak voltage
C. sin 45° of peak voltage
D. both 0.707 of peak voltage and sin 45° of peak voltage

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.