level: key definitions
Questions and Answers List
level questions: key definitions
| Question | Answer |
|---|---|
| define drift velocity | the average velocity gained by the free electrons of a conducter |
| define potential difference | the transfer of energy by charge carriers from electrical to other forms |
| define emf | transfer of energy by charge carriers from other forms to electrical energy |
| define resistance | the opposition to the passage of current within a component |
| define power | the rate at which energy is transferred from one form to another |
| define current | the rate at which charge flows through a component |
| define terminal PD | the potential difference recorded across the terminals of a cell |
| define lost volts | the difference between emf and terminal pd when there is a charge flowing |