ALTERNATING CURRENT AND VOLTAGE QUIZ

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

7.64 V

6.37 V

0 V

1.27 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

30 V

0 V

35 V

6 V

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

3,000 s

2 ms

1.5 ms

0.0045 s

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

14.14 V

6.37 V

25.48 V

50.96 V

TRUE ANSWER : ?
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A sawtooth wave has a period of 10 ms. Its frequency is

50 Hz

100 Hz

10 Hz

1,000 Hz

TRUE ANSWER : ?
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A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of

1.3 MHz

12 kHz

18 kHz

25 kHz

TRUE ANSWER : ?
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If the peak of a sine wave is 13 V, the peak-to-peak value is

13 V

None of these

26 V

6.5 V

TRUE ANSWER : ?
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If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is

1.5 mA

1 mA

10 mA

15 mA

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

4 s

20 s

2 s

100 s

TRUE ANSWER : ?
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How many degrees are there in /3 rad?

60°

27°

6°

180°

TRUE ANSWER : ?
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