# 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

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%

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

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

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