ALTERNATING CURRENT AND VOLTAGE QUIZ

If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is

26.6 V

2.66 V

18.8 V

4 V

TRUE ANSWER : ?
YOUR ANSWER : ?

A sawtooth wave has a period of 10 ms. Its frequency is

10 Hz

100 Hz

1,000 Hz

50 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

12 kHz

1.3 MHz

25 kHz

18 kHz

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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A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is

1.6 V

11 V

4 V

4.6 V

TRUE ANSWER : ?
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A square wave has a period of 60 s. The first odd harmonic is

500 kHz

5 kHz

33.33 kHz

50 kHz

TRUE ANSWER : ?
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A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

1%

25%

100%

50%

TRUE ANSWER : ?
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When a sine wave has a frequency of 100 Hz in 12 s it goes through

1,200 cycles

1/100 cycle

120 cycles

12 cycles

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

5.44 V

8 V

7.07 V

TRUE ANSWER : ?
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The average value of a 12 V peak sine wave over one complete cycle is

6.37 V

7.64 V

1.27 V

0 V

TRUE ANSWER : ?
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