ALTERNATING CURRENT AND VOLTAGE QUIZ

If the peak of a sine wave is 13 V, the peak-to-peak value is

None of these

6.5 V

13 V

26 V

TRUE ANSWER : ?
YOUR ANSWER : ?

How many degrees are there in /3 rad?

60°

180°

6°

27°

TRUE ANSWER : ?
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A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of

2 ms

0.0045 s

3,000 s

1.5 ms

TRUE ANSWER : ?
YOUR ANSWER : ?

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is

10.60 V

5.93 V

16.54 V

1.65 V

TRUE ANSWER : ?
YOUR ANSWER : ?

The average value of a 12 V peak sine wave over one complete cycle is

7.64 V

0 V

1.27 V

6.37 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

0 V

35 V

TRUE ANSWER : ?
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A signal with a 400 s period has a frequency of

2,500 Hz

25,000 Hz

250 Hz

400 Hz

TRUE ANSWER : ?
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The average half-cycle value of a sine wave with a 40 V peak is

25.48 V

50.96 V

6.37 V

14.14 V

TRUE ANSWER : ?
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If a sine wave goes through 10 cycles in 20 s, the period is

100 s

20 s

2 s

4 s

TRUE ANSWER : ?
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If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is

54.4 V

8 V

5.44 V

7.07 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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