AQA GCSE Combined Science Trilogy · 8464
Specification 6.2.1.3, 6.2.1.4, 6.2.2, 6.2.4.1 · Paper 5, Paper 6
A measure of how much a component opposes the flow of electrical charge, measured in ohms ().
Revise: Current, Potential Difference and ResistanceTo understand what determines the current through a component, we need to distinguish current, potential difference and resistance.
- Revise: Required Practical: Investigating Resistance
A measure of how strongly a component opposes electric current, measured in ohms (). It can be calculated using .
- Revise: Resistance and I–V Characteristics
3 more notes
- Revise: Thermistors and LDRs
A measure of how strongly a component opposes electric current, measured in ohms (Ω). It can be calculated using .
- Revise: Series and Parallel Circuits
A measure of how strongly a component opposes current, measured in ohms (). It is calculated using .
- Revise: Electrical Power
A measure of how strongly a component opposes the flow of charge, calculated using and measured in ohms ().