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Yes, I am a Moron - Electrical guys help!
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<blockquote data-quote="wjurls" data-source="post: 5287150" data-attributes="member: 50731"><p>We are kind of saying the same thing but not exactly. The Alt output current is regulated by ohms law and nothing else. The regulator doesn't "see" any outside voltage but simply regulates the output voltage of the alternator. If this voltage is 14.4 volts then the regulator will try to maintain this voltage providing the alternator has enough current to meet the demand. What increases the demand is actually the resistance of the electrical system. A dead battery has a very low resistance and therefore will strain a alternator. Conversly when the battery is fully charged it has a high resistance and therefore puts very little load on the charging system. As resistance decreases on a circuit with a fixed voltage current must increase to maintain the voltage. Remember Ohms law dictates that V=IxR where I=current in amps so when (R) (resistance) decreases (I) must increase to satisfy (V)</p></blockquote><p></p>
[QUOTE="wjurls, post: 5287150, member: 50731"] We are kind of saying the same thing but not exactly. The Alt output current is regulated by ohms law and nothing else. The regulator doesn't "see" any outside voltage but simply regulates the output voltage of the alternator. If this voltage is 14.4 volts then the regulator will try to maintain this voltage providing the alternator has enough current to meet the demand. What increases the demand is actually the resistance of the electrical system. A dead battery has a very low resistance and therefore will strain a alternator. Conversly when the battery is fully charged it has a high resistance and therefore puts very little load on the charging system. As resistance decreases on a circuit with a fixed voltage current must increase to maintain the voltage. Remember Ohms law dictates that V=IxR where I=current in amps so when (R) (resistance) decreases (I) must increase to satisfy (V) [/QUOTE]
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