RC CIRCUITS QUIZ

One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is

45°

0°

None of these

40°

TRUE ANSWER : ?
YOUR ANSWER : ?

When a sine wave has a frequency of 100 Hz in 12 s it goes through

1/100 cycle

1,200 cycles

120 cycles

12 cycles

TRUE ANSWER : ?
YOUR ANSWER : ?

A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of

0.0045 s

2 ms

3,000 s

1.5 ms

TRUE ANSWER : ?
YOUR ANSWER : ?

A signal with a 400 s period has a frequency of

250 Hz

2,500 Hz

25,000 Hz

400 Hz

TRUE ANSWER : ?
YOUR ANSWER : ?

The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is

indeterminable

400 Hz

100 Hz

40 Hz

TRUE ANSWER : ?
YOUR ANSWER : ?

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

6.37 V

1.27 V

7.64 V

0 V

TRUE ANSWER : ?
YOUR ANSWER : ?

A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle

cannot be determined

is 30%

is 1%

is 100%

TRUE ANSWER : ?
YOUR ANSWER : ?

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

8 V

5.44 V

54.4 V

7.07 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

6.5 V

13 V

None of these

26 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1 mA

15 mA

10 mA

1.5 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

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