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Electronics - Alternating Current vs Direct Current

Exercise : Alternating Current vs Direct Current - General Questions
6.
What is the peak value of a household appliance that uses a 230 V ac source?
163 V
230 V
325 V
480 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
What is the waveform period difference between the 60 Hz electricity used in this country and the 50 Hz used in Europe?
3 ms
16 ms
4 ms
20 ms
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Test equipment selection enables the technician to both generate signals and:
change circuit conditions
inject signals
sense circuit conditions
change signal frequencies
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Why is ac current transfer more effective than dc current transfer over long distances?
due to the height of power lines
due to the use of ac generators
due to step-up and step-down transformers reducing I2R losses
due to very high voltages
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A sine wave reaches maximum positive voltage at:
90°
0°
–90°
360°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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