IB Physics Sub-topic D2 Definitions
This page contains our IB Physics definitions for sub-topic D2. By learning each one of these definitions, you will fully cover the content for IB Physics 'Electromagnetic fields'.
Alternating current
It is current that constantly switches direction
Conductor
It is a material that allows the flow of charge
Current
It is the rate of flow of charge
Direct current
It is current that flows in one direction
Electric field
It is the force per unit positive point test charge
Electronvolt
It is the energy gained by an electron moving 1 V
Electrostatic force
It is the force between two electrically charged objects
Insulator
It is a material that does not allow the flow of charge
Neutral
It is the presence of equal amounts of positive and negative charge
Potential difference
It is the energy difference or work done per unit charge moved between two points
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