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how to select automotive wire by mathematical equation with
given current, vlotage and resistance

Answer Posted / Shah Harsh Satishkumar

To select the automotive wire size for a specific current and voltage, you can use Ohm's Law (I = V/R) to calculate the required wire resistance. Once you have the wire resistance, you can consult AWG (American Wire Gauge) tables or IEC (International Electrotechnical Commission) tables to find the appropriate wire size for that resistance. Keep in mind that other factors like voltage drop and temperature rise may also need to be considered.

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