CAIE IGCSE Physics 4.2.2.3 Electrical conduction in metals in
Practise linking current in metals to mobile electrons and using metal structure to explain why copper wires conduct well.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- identify free electrons as the moving charged particles in a metal wire
- explain good metallic conduction from delocalised electrons in the structure
4.2.2.3—Electrical conduction in metals in question 1
[Maximum number: 1]
State, in terms of their structure, why metals are good conductors of electricity.
(Metals) contain free/mobile electrons/delocalised electrons
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