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level: key definitions

Questions and Answers List

level questions: key definitions

define drift velocitythe average velocity gained by the free electrons of a conducter
define potential differencethe transfer of energy by charge carriers from electrical to other forms
define emftransfer of energy by charge carriers from other forms to electrical energy
define resistancethe opposition to the passage of current within a component
define powerthe rate at which energy is transferred from one form to another
define currentthe rate at which charge flows through a component
define terminal PDthe potential difference recorded across the terminals of a cell
define lost voltsthe difference between emf and terminal pd when there is a charge flowing