Podcast
Questions and Answers
Which of the following is a device that uses a cathode ray tube?
Which of the following is a device that uses a cathode ray tube?
- Digital camera
- Television (correct)
- Computer
- Smartphone
What is the main purpose of a cathode ray oscilloscope?
What is the main purpose of a cathode ray oscilloscope?
- To measure voltage (correct)
- To play video games
- To transmit radio signals
- To capture photographs
Which of the following is true about cathode ray tubes?
Which of the following is true about cathode ray tubes?
- They are used for sound amplification
- They are made of glass
- They emit visible light
- They use electron beams (correct)