GCSE Oscilloscope and AC Waveform Quiz

What does AC stand for in the context of electrical supply?

• Alternating Current

• Analog Current

• Amplified Current

• Active Current

What does the horizontal time base setting on an oscilloscope represent?

• The voltage per division

• The amplitude per division

• The frequency per division

• The time per division

How many milliseconds are represented by one division if the time base is set to 5 milliseconds per division?

• 20 milliseconds

• 1 millisecond

• 10 milliseconds

• 5 milliseconds

What is the period of a waveform if it spans four divisions on an oscilloscope with a time base of 5 milliseconds per division?

• 25 milliseconds

• 20 milliseconds

• 15 milliseconds

• 10 milliseconds

What symbol is used to represent the period of a waveform?

• T

• W

• P

• F

How do you convert 20 milliseconds to seconds?

• Multiply by 10

• Divide by 1000

• Multiply by 1000

• Divide by 10

What is the period of the waveform in seconds if it is 20 milliseconds?

• 0.02 seconds

• 0.002 seconds

• 2 seconds

• 0.2 seconds

What is the formula to calculate the frequency of a waveform?

• Frequency = Period / 2

• Frequency = 1 / Period

• Frequency = Period * 2

• Frequency = Period

If the period of a waveform is 0.02 seconds, what is its frequency?

• 50 Hz

• 25 Hz

• 100 Hz

• 75 Hz

What is the frequency of the mains electricity supply in most households?

• 30 Hz

• 40 Hz

• 50 Hz

• 60 Hz