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Electrical Engineering - Alternating Current and Voltage

Exercise : Alternating Current and Voltage - General Questions
21.
A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of
0.0045 s
2 ms
1.5 ms
3,000 s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is
4 V
4.6 V
1.6 V
11 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
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
6 V
30 V
35 V
0 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is
5.44 V
54.4 V
7.07 V
8 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The average half-cycle value of a sine wave with a 40 V peak is
25.48 V
6.37 V
14.14 V
50.96 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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