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International Automotive Technicians Network
Re: Real world understanding of Ohm's Law
Posted to Technical Discussion Forum on 2/21/2020

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Russel, The parking lamp side of an 1157 lamp draws .65 amps @ 12.8 volts. .65 amps going through 50 feet of #14 wire drops .269 volts. So two rear tail lights draws 1.3 amps. A dead short in 50 feet... Login to read more.