OCR A Level Physics A
OCR A Level Physics A Electric Fields Exam Questions
Free OCR A Level Physics A exam questions on Electric Fields, with mark schemes. Covers Coulomb's law, field strength, uniform fields, electric potential and charged particle motion.
Electric Fields exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
OCR A Level Physics A H556 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About OCR A Level Physics A Electric Fields
This topic covers electric fields.
What you need to know
- Coulomb's law F = Qq/4πε₀r².
- Field strength E = F/Q and E = V/d.
- Potential V = Q/4πε₀r and energy.
- Particle motion Charged particles in uniform fields.
Common mistakes in Electric Fields
- Forgetting to square r.
- Mixing potential and field strength.
- Assuming fields are uniform near point charges.
Try three Electric Fields exam-style questions
1. Find E between plates 2.0 cm apart at 400 V. (1 mark)
Show the mark scheme answer
2.0 x 10⁴ V m⁻¹.
2. Describe the path of an electron entering a uniform field at right angles. (1 mark)
Show the mark scheme answer
A parabola.
3. State the direction of an electric field. (1 mark)
Show the mark scheme answer
The direction of force on a positive charge.
Electric Fields FAQs
What does Electric Fields cover?
Coulomb's law, field strength and potential.
How do electric and gravitational fields compare?
Both inverse square, but electric forces can repel.
What is an equipotential?
A surface of constant potential.
Revise this topic with flashcards: OCR A Level Physics A H556 Flashcards, with mark scheme answers for Anki and Quizlet.
