P5 - The Basics
- Created by: cg97
- Created on: 03-04-13 15:07
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- P5
- resistance is caused by the things in the circuit that resist the flow of charge
- electric current is a flow of charge
- mains supply= AC
- battery supply = DC
- mains supply= AC
- like charges repel each other
- opposite charges attract each other
- like charges repel each other
- Step-up transformer = increases voltage
- Step-down transformer = decreases voltage
- Step-up transformer = increases voltage
- a magnetic field is a region where magnetic materials experience a force acting on them
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