Action and use of circuit components
Core concepts and learning points for this section:
Syllabus Points
Core
- 4.3.3.1 Know that the p.d. across an electrical conductor increases as its resistance increases for a constant current
Supplement
- 4.3.3.2 Describe the action of a variable potential divider
- 4.3.3.3 Recall and use the equation for two resistors used as a potential divider R V