Physics A-Level
Force balance on a moving charge
What Force balance on a moving charge means in Physics A-Level, as defined for OCR.
Definition of Force balance on a moving charge
Check what you remember
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Reference: OCR
The electric force QE and magnetic force BQv act in opposite directions, and when they balance QE = BQv.
Topics that use Force balance on a moving charge
- Motion of charged particles (OCR A-Level)
Related terms
- Centripetal force
- Constant speed under a perpendicular force
- Independence of selected speed from charge and mass
- Velocity selection
- Crossed electric and magnetic fields
- Radius of a charged particle orbit
Using Force balance on a moving charge in the exam
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