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Questions and Answers
What is the time period of a 60 Hz alternating current?
What is the time period of a 60 Hz alternating current?
- 60 seconds
- 30 seconds
- 1/60 second (correct)
- 1/30 second
What is the frequency of an alternating quantity that completes one cycle in 0.02 seconds?
What is the frequency of an alternating quantity that completes one cycle in 0.02 seconds?
- 100 Hz
- 75 Hz
- 25 Hz
- 50 Hz (correct)
In an alternator with 16 poles running at 2400 rpm, what is the frequency of the generated alternating voltage and current?
In an alternator with 16 poles running at 2400 rpm, what is the frequency of the generated alternating voltage and current?
- 160 Hz (correct)
- 120 Hz
- 200 Hz
- 320 Hz
If the frequency of an alternating current is 120 Hz, what is its time period?
If the frequency of an alternating current is 120 Hz, what is its time period?
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If an alternating quantity has a frequency of 25 Hz, what is its time period?
If an alternating quantity has a frequency of 25 Hz, what is its time period?
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