Re: If you apply 6v to this coil. What's the primary current

Posted by MarkB_MI on December 16, 2022 at 06:11:53 from (174.240.148.242):

In Reply to: Re: If you apply 6v to this coil. What's the primary current posted by Geo-TH,In on December 16, 2022 at 06:02:00:

> Which means the ballast resistance should match the coil's resistance if you want to have 6v applied to a 6v coil and 6v to the ballast.

Here's the deal, George: Coils don't operate on voltage, they operate on current. The energy stored in a coil is a function of the coil's inductance and current; voltage doesn't enter into the equation. Sure, if you know the resistance of the coil, you can calculate the steady-state current from the voltage, but the resistance probably isn't fixed and is likely to increase with temperature.

Replies:

• Re: If you apply 6v to this coil. What's the primary current Geo-TH,In 06:34:06 12/16/22 (2)
  • Re: If you apply 6v to this coil. What's the primary current MarkB_MI 06:39:52 12/16/22 (1)
    • Re: If you apply 6v to this coil. What's the primary current Geo-TH,In 06:45:48 12/16/22 (0)

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