Formula for energy taken by heater .?

Question

An electrical heater develops a current of 4A at a voltage of 230V . determine the energy taken by heater in Kwh for 6 hrs

Answer 1

Your formula = Kwh = (voltage x current x time"in hr")/1000

Energy= 230V*4A*6hr = 5520 watt-hr

5520 watt-hr/1000= 5.52 Kwh

Answer 2

5.520kwh

v/a=watts

wxh=wh

you asked for the answer in kwh.

4 x 230 x 6 = 5520wh

5520wh/1000= 5.520kwh

Answer 3

You aren't in the middle of Finals, are you?