A current of 5.0 A flows through an electric press of resistance `11Omega`. Calculate the energy consumed b the press in 5 minutes.

Explanation

I = 5.0 A
`R = 11 Omega`
t = 5 min ` = 5 xx60 = 300s`
Energy consumed `= E= I^2 Rt`
`= (5)^2 xx11 xx300`
`= 82500 J`
`= 82.5 KJ`
= 0.023 K wh