An electrical power line, having a total resistance of 2Ω, delivers 1 kW at 220 V. The efficiency of the transmission line is approximately An electrical power line delivers 1 kW at 220 V. The efficiency of the transmission line is approximately having a total resistance of 2Ω September 18, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related