Understanding Cathode Ray Oscilloscopes

What is the primary function of a cathode ray oscilloscope?

• To amplify electrical signals

• To display and analyse the waveform of electrical signals

• To convert AC to DC

• To measure resistance

Which component in an oscilloscope is responsible for deflecting the electron beam vertically?

• Horizontal deflection plates

• Vertical deflection plates

• Cathode

• Anode

What is the typical unit of measurement for the time base on an oscilloscope?

• Metres

• Seconds per division

• Volts per division

• Amperes

Which of the following is a common method for measuring the amplitude of a waveform on an oscilloscope?

• Using the time base

• Counting the grid lines vertically

• Using the frequency counter

• Measuring the phase shift

What is the purpose of the trigger function on an oscilloscope?

• To adjust the brightness of the display

• To stabilise a repeating waveform for analysis

• To increase the frequency of the signal

• To change the waveform shape

Which waveform analysis method involves determining the frequency components of a signal?

• Time domain analysis

• Frequency domain analysis

• Amplitude modulation

• Phase modulation

What is the role of the time base control on an oscilloscope?

• To adjust the vertical sensitivity

• To set the horizontal sweep speed

• To change the waveform amplitude

• To modify the signal frequency

Which of the following is a typical application of oscilloscopes in engineering?

• Measuring temperature

• Analysing electrical circuits

• Calculating mass

• Determining chemical composition

What does the term "synchronisation" refer to in the context of oscilloscopes?

• Adjusting the vertical gain

• Aligning the time base with an external signal

• Modifying the waveform shape

• Increasing the signal amplitude

Which of the following is NOT a waveform analysis method?

• Fourier analysis

• Harmonic analysis

• Phase analysis

• Thermal analysis