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Old 03-11-2017, 07:31 PM   #19
mshmodela
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Default Re: I need some help- circuit breaker question 6V vs 12V

V=IR, or I=V/R. 30A = 12V/R , divided both side by 2.

30A / 2 = 12V /(R x 2) = 15A = 6V / R where R is the resistance of the breaker. So a 30A, 12V breaker would pop with only 15A at 6V.
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