Monday, October 25, 2021

Thursday, October 21, 2021

source of us electricity generation

 nuclear energy 

wind

solar 

thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy and gravitational energy.

Wednesday, October 20, 2021

Tuesday, October 19, 2021

what is AC and DC

 Alternating Current (AC) is a type of electrical current, in which the direction of the flow of electrons switches back and forth at regular intervals or cycles.mostly used in your car 


Direct current (DC) is an electric current that is uni-directional, so the flow of charge is always in the same direction. mostly used in your house 

Monday, October 18, 2021

what is a uvc ?

 uniform building code