Question

A current of 2mA flows through an appliance connected to a 100 V supply. Calculate the resistance of the appliance.

Answer 1

Ohm's law states that V=IR

where R is the resistance

You're given current I= 2mA= 0.002 A

V= 100V

So, R= V/I

R= 100/0.002= 5000 ohms