Electrical Engineering - Alternating Current and Voltage

Exercise :: Alternating Current and Voltage - General Questions

6. 

If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is

A. 4 V
B. 18.8 V
C. 26.6 V
D. 2.66 V

Answer: Option C

Explanation:

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

7. 

A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

A. 25%
B. 50%
C. 1%
D. 100%

Answer: Option A

Explanation:

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

8. 

A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle

A. is 1%
B. is 30%
C. is 100%
D. cannot be determined

Answer: Option B

Explanation:

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

9. 

If the peak of a sine wave is 13 V, the peak-to-peak value is

A. 6.5 V
B. 13 V
C. 26 V
D. none of the above

Answer: Option C

Explanation:

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

10. 

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. Let us discuss.