OCR A Level Physics B (Advancing Physics)
OCR A Level Physics B (Advancing Physics) Charge and Field Exam Questions
Free OCR A Level Physics B (Advancing Physics) exam questions on Charge and Field, with mark schemes. Covers electric fields, potential, Coulomb's law, motion of charged particles and magnetic forces.
Charge and Field exam questions
These packs of real past exam questions cover the whole of Module 6: Field and Particle Physics, including Charge and Field. Work through every question on this sub-topic, then mark your answers against the mark scheme.
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A Level Physics Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About OCR A Level Physics B (Advancing Physics) Charge and Field
This sub-topic covers fields acting on charges.
What you need to know
- Uniform fields E = V/d and parallel plates.
- Radial fields Coulomb's law and potential.
- Charged particles Acceleration and deflection.
- Magnetic force F = qvB and circular paths.
Common mistakes in Charge and Field
- Forgetting to square r.
- Mixing field strength and potential.
Try three Charge and Field exam-style questions
1. Find E for 2000 V across 0.050 m. (1 mark)
Show the mark scheme answer
4.0 x 10⁴ V m⁻¹.
2. State the energy gained by an electron through 100 V. (1 mark)
Show the mark scheme answer
100 eV or 1.6 x 10⁻¹⁷ J.
3. Give the radius of a charged particle's circular path. (1 mark)
Show the mark scheme answer
r = mv/qB.
Charge and Field FAQs
What does this cover?
Electric fields and forces on charged particles.
How is a mass spectrometer explained?
Particles of different mass follow different circular paths.
What is an equipotential?
A surface of constant potential.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.
