A-LevelPhysicsElectric fieldsFeb/Mar 2021Paper 1 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?
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
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The correct answer is A. This question tests the candidate's understanding of electric fields within the Physicssyllabus. The examiner's mark scheme requires...
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