Week 4: Electric Current
Learning Objectives for this Week
After going through this unit activities carefully, you should be able to
- Define electric current.
- Describe a simple circuit.
- Apply Ohm’s law.
- Explain the concept of resistivity.
- Explain the differences and similarities between DC and AC current.
- Explain electric power.
- Interpret circuit diagrams.
Image credit: And1mu. (2019). Wikimedia Commons. https://commons.wikimedia.org/wiki/File:ElectricCurrent.gif