Practice Alternating Current (9) - Alternating Current - ICSE 11 Electricity and Electronics

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9 questions

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6 sample questions

Question 1.
What is Alternating Current?
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Consider the definition given in the chapter.
Question 2.
What unit measures frequency?
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Think about how often something occurs per second.
3Question 3.
What does AC stand for?
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Think of the terms used for electrical current.
4Question 4.
Is it True or False: In AC circuits, the current always lags the voltage.
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Consider how inductors and capacitors behave.
Question 5.
Given a voltage of 230V RMS, what is the peak voltage?
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Recall the relationship between RMS and peak values.
Question 6.
If the power factor of a circuit is 0.8 and the apparent power is 100VA, what is the real power?
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Think about how to apply the power factor in calculating real power.

5 more questions in this section. Enroll free to practise them all.