A-LevelPhysicsElectric fields9702/12 · Oct/Nov 2012 · Q321 Mark

A charged particle moves in a uniform electric field between two parallel metal plates. To calculate the force acting on the particle due to the electric field, which quantity is not required?

Aparticle charge

Bparticle speed

Cplate separation

Dpotential difference between the plates

✓ Correct answer

B: particle speed

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Topic: Electric fields, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2012 Paper 1 Variant 2, question 32.

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