JAMB Physics 2017 Objective — Question 24
Question 24 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.
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Under what conditions are cathode rays produced in a discharge tube?
- A. A. High pressure and low voltage
- B. B. High pressure and high voltage
- C. C. Low pressure and low voltage
- D. D. Low pressure and high voltageCorrect
Explanation
Cathode rays are produced in a discharge tube under low pressure and high voltage.
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