basic
Primary cells
Primary cells cannot be recharged, that is, the conversion of chemical energy to electrical energy…
basic
Chemical effects of electricity
A material must contain charged particles to be able to conduct electric current. In solids,…
basic
Temperature coefficient of resistance
In general, as the temperature of a material increases, most conductors increase in resistance, insulators…
basic
Potential difference and resistance
For a continuous current to flow between two points in a circuit a potential difference…
basic
An introduction to electric circuits
Standard symbols for electrical components Symbols are used for components in electrical circuit diagrams and…