Question

a resistor of 30 ohms has a voltage rating of 500v. what is power rating

Answer 1

You use Formula =Vsquare /R
500*500/30=833.333

Answer 2

$\huge\rm\underline{\underline{\pink{Answer}}}$

It measures the work done n

per unit charger.

It is defined as the difference in

electric potential between two points in an electric field,equal to the work

done per unit quantity of charge in moving it from one point to another

in an electrostatic field