Exam-style question
Try this first
What determines the radius of the circular path of a charged particle in a magnetic field? Scenario focus: magnetic fields in a distinct A-Level Physics fields context; identify the field quantity, source, direction, and unit before selecting the answer.
- A.The charge of the particle
- B.The speed of the particle
- C.The strength of the magnetic field
- D.All of the above
Model answer
What a good answer should say
- All of the above
Explanation
Why this works
The correct answer is All of the above. This is correct for Magnetic fields because the stem is testing magnetic fields; the chosen option keeps the field quantity, source interaction, direction, and unit consistent.
The alternatives are weaker because they mix gravitational, electric, magnetic, orbital, or transformer ideas, or they attach the right number to the wrong physical meaning.
Common mistake
No common mistake is linked to this question yet.