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0625 Overview
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0625 Overview
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Electricity and magnetism
Electric circuits
Action and use of circuit components
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