Physics (AS & A Level) · May / June 2017 · Paper 11 · Question 11
9702Electric fields and field lines
A particle with mass and charge is moving from left to right in a uniform gravitational field and a uniform electric field. The gravitational field is downwards. The gravitational force and the electric force on this particle act in opposite directions. What could be the sign of the charge on the particle and the direction of the electric field?
- Anegative, down
- Bnegative, up
- Cpositive, left
- Dpositive, right
As printed in the paper
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Correct answer: A. negative, down
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