If the temperature of a metal conductor increases, the ions of the metal vibrate more vigorously. Hence, for a metal, resistance increases with increasing temperature. Often the increase in ...

To determine the voltage, current and resistance of an electric circuit. Ohm's law can be used to calculate the power dissipated in a circuit. In circuits with multiple components, it is important ...

Watts are units of electric power. Think of wattage as electricity ... There are many laws in physics, science and nature, ...

As free electrons flow through wires, they collide with the ions in the wire which causes the ions to vibrate more. This increased vibration of the ions increases the temperature of the wire ...