Physics A-Level
Energy gain in an alternating electric field
What Energy gain in an alternating electric field means in Physics A-Level, as defined for AQA.
Definition of Energy gain in an alternating electric field
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Reference: AQA
Particles cross a gap repeatedly, accelerated by an alternating potential difference whose frequency matches the cyclotron frequency f = Bq/(2πm).
Topics that use Energy gain in an alternating electric field
- Moving charges in a magnetic field (A-level only) (AQA A-Level)
Related terms
- Centripetal force from a magnetic field
- Cyclotron resonance and constant period
- Left-hand rule and conventional current
- Magnetic force on a moving charge
- Magnetic force on moving charges
- Vector directions and the left-hand rule
- Vector nature of force, velocity and field
- Applications in particle physics
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