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Question:

What is the total voltage drop in a 12 AWG conductor that supply a 18 ampere load which is located 50 feet from the power source? The resistance of conductor is 2 ohm/1000 feet.

A 1.8 volts
explanation

Total Resistance of conductor for 50 feet length = 2/1000 * 50 = 0.1 ohm;
Voltage Drop = IR = 18 x 0.1 = 1.8 volts

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