A-LevelPhysicsElectric fields9702/12 · Feb/Mar 2021 · Q111 Mark

A particle with mass moves in a horizontal straight line through a uniform electric field in a vacuum. The electric field is vertical. [Figure 11.1] There is a significant gravitational effect on the motion of the particle. What could be the direction of the electric field and the sign of the charge, if any, on the particle?

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Aelectric field direction: downwards, sign of charge: negative

Belectric field direction: downwards, sign of charge: positive

Celectric field direction: upwards, sign of charge: negative

Delectric field direction: upwards, sign of charge: no charge

✓ Correct answer

A: electric field direction: downwards, sign of charge: negative

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Topic: Electric fields, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2021 Paper 1 Variant 2, question 11.

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