Experimental determination of resistivity
What Experimental determination of resistivity means in Physics A-Level, as defined for AQA, OCR.
Definitions of Experimental determination of resistivity
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Experimental determination of resistivity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The resistivity of a metal wire is measured using a micrometer, ammeter and voltmeter, with resistance calculated using R = V/I and area using A = πr².
Measure R, L and A for a wire and use ρ = RA/L to find the resistivity of a metal.
Topics that use Experimental determination of resistivity
- Resistivity (AQA A-Level)
- Resistivity (OCR A-Level)
Related terms
- ntc thermistor
- Resistivity
- Charge carriers and scattering
- Charge-carrier release in semiconductors
- Choice of measuring instruments
- Graphical analysis using gradients
- Graphical interpretation of ρ against T
- Magnetic field generation
Using Experimental determination of resistivity in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge