Ohm's Law Power Formula?

Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=5748
Printed Date: July 17, 2025 at 7:43 PM

Topic: Ohm's Law Power Formula?

Posted By: carguy411
Subject: Ohm's Law Power Formula?
Date Posted: November 21, 2002 at 11:19 PM

anyone knows the formula for figuring out how much additional current is needed from your electrical system to power a amp???

please let me know

thanks

Replies:

Posted By: SOUND PRESSURE
Date Posted: November 21, 2002 at 11:25 PM

Try out these sites,

https://www.the12volt.com/ohm/page2.asp#current

https://www.the12volt.com/installbay/display_topic_threads.asp?ForumID=2&TopicID=5723&PagePosition=1#thread

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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

Posted By: carguy411
Date Posted: November 21, 2002 at 11:46 PM

ok but which calculator equasion do ii use???

thanks

Posted By: SOUND PRESSURE
Date Posted: November 21, 2002 at 11:50 PM

You can use the first one. As long as you have the values to insert it will give you the current.

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Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

Posted By: carguy411
Date Posted: November 21, 2002 at 11:53 PM

kool thanks

Posted By: SOUND PRESSURE
Date Posted: November 21, 2002 at 11:58 PM

Anytime,

Glad to help.

-------------
Sound Pressure

You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

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