Exam-style question
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Using the right-hand rule, describe how to determine the direction of the force on a charged particle moving in a magnetic field.
Model answer
What a good answer should say
- To determine the direction of the force on a charged particle, point your thumb in the direction of the particle's velocity, your fingers in the direction of the magnetic field, and your palm will face the direction of the force acting on a positive charge.
- For a negative charge, the force direction is opposite.
Explanation
Why this works
This answer effectively explains the application of the right-hand rule, which is essential for understanding the interaction between charged particles and magnetic fields, testing the student's ability to apply a practical rule in physics.
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