Physics A-Level
Current
What Current means in Physics A-Level, as defined for OCR.
Definition of Current
Check what you remember
Read the wording for your board, then hide it and explain Current in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The rate of flow of charged particles, given by I = ΔQ/Δt and measured in amperes where 1 A = 1 C s⁻¹.
Topics that use Current
- Charge (OCR A-Level)
Related terms
- Calculations with integer multiples of e
- Consistency of sign conventions in circuit analysis
- Conventional current
- Derived units
- Discrete nature of charge
- Electric current
- Electron flow in metallic conductors
- Elementary charge
Using Current in the exam
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