[محمدغانم]

pw= 80×1000 w
vp=400 volt
IP = PW / V =80×1000/ 400= 200 A
SO PW = I2 ×R = 200 ×200× 0.4=16000 WATT
GO AHEAD UR SELF USING THE NEXT POTENTIAL DEFFRENCE TO FIND ELECTRIC CURRENT AND AFTER THAT MULTIPLAY IT WITH RESISTANCE BYE