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Electric current
Understand that electric current is associated with the movement of electric charge.
6
Objectives
60
Flashcards
42
Questions
90 min
Study time
CambridgeIGCSEPhysicsElectricity and magnetism
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6 objective pages available
Electric current outcomes6 objectives
- Understand that electric current is associated with the movement of electric charge.
- Explain how ammeters, both analogue and digital, are used across various measurement ranges.
- Discuss how electrical conduction occurs in metals through the movement of free electrons.
- Recognize the distinction between direct current (d.c.) and alternating current (a.c.).
- Define electric current as the amount of charge that passes a specific point in a given time; remember and apply the formula Q = I t.
- Acknowledge that conventional current flows from positive to negative, while free electrons move from negative to positive.
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