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Does it matter whether a power supply is dc or ac? Answered

Does it matter whether a power supply id dc or ac when determining whether or not to you a resistor? And if it doesn't make a difference, How would I decrease a power supply from 24 v to 12 v with resistors? What is the equation for determining the conversion of ohms to subtracted voltage?

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Cheesey125
Cheesey125

4 days ago

I would recommend using DC. AC is unreliable and only really aplicable in electrical components, not loads such as a motor. Phones, speakers, batteries all use DC.