An electric heating element to dissipate 480 watts on 240V mains is to be made from nichrome
Channel: Doubtnut
Date: 2020-08-30

An electric heating element to dissipate 480 watts on 240V mains is to be made from nichrome ribbon 1 mmwide and thickness 0.05mm. Calculate the length of the ribbon required if the resistivity of nichrome is `1.1xx10^(-6)Omega m`.