OCR GCSE Twenty First Century Science Suite - Physics B J259 · P3.2.5

Fixed and changing resistance

Code: P3.2.5
In: P3.2 What determines the current in an electric circuit?
Topic: P3 Electric circuits
Course: GCSE Twenty First Century Science Suite - Physics B J259
Board: OCR

Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.

Points in P3.2 What determines the current in an electric circuit?

P3.2.1 Current as flow of charge
P3.2.2 Charge, current and time
P3.2.3 Current, resistance and potential difference
P3.2.4 Ohm's law, with resistance of a wire practical
P3.2.5 Fixed and changing resistance
P3.2.6 I–V characteristics, with practical work
P3.2.7 Circuit symbols and conventions