Waec 2022 Physics Question 43

Practice objective / multiple choice question 43 from the 2022 Waec Physics examination.

Waec 2022 Physics Objective / Multiple Choice 2 Difficulty
Question 43 WAEC • 2022 • PHYSICS • objective

The electrons in a cathode-ray tube are produced by

Answer Options

Correct Answer A. heating a metal filament.
B. ionization of the air.
C. applying a magnetic field to the y-plates.
D. applying an electric field to the x-plates.
Correct Answer
A
Correct Option:
heating a metal filament.

About This Question

This is Waec 2022 Physics Question 43. It is one of the objective questions from the 2022 Waec Physics examination.

Difficulty level: 2 .

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