Does a light switch have electrical potential energy or mechanical energy

A light switch has mechanical energy.

Explanation: All objects have potential energy, which is energy that is stored inside itself, which most often is not visible. Only when acted on by kinetic energy does it become mechanical energy. When the light switch is turned on, you are giving kinetic energy to the circuit within the light, and this gives it the force needed to supply enough energy to turn on the light. Therefore, when the light is on, mechanical energy is coursing through the light’s circuits.

hello there!

your answer is a “generator”

a generator does not create energy but instead it transforms it.

it’s basically a motor working in reverse.

365.25 earth days are in the year of a light year