Physics (AS & A Level) · May / June 2016 · Paper 13 · Question 30
9702Electric fields and field lines
An electron is in an electric field of strength 5 × 10^4 V m^–1. The field is the only influence on the electron. The mass and charge of an electron are known. Which quantity can be calculated without any more information?
- Athe force on the electron
- Bthe momentum of the electron
- Cthe kinetic energy of the electron
- Dthe speed of the electron
As printed in the paper
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Correct answer: A. the force on the electron
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