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O-LevelPhysicsElectricity5054/11 · Oct/Nov 2015 · Q371 Mark

Which particles are emitted by the hot filament of a cathode-ray oscilloscope (c.r.o.) and which type of field is used to accelerate them?

Aparticles: electrons, type of field: electric
Bparticles: electrons, type of field: magnetic
Cparticles: protons, type of field: electric
Dparticles: protons, type of field: magnetic

✓ Correct answer

A: particles: electrons, type of field: electric

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About this question

Topic
Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2015 Paper 1 Variant 1, question 37.

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