While making sure I understood the relationship between watts, volts, amps, and miliamps in miniature lighting, particularly LED's by Novalyte, I learned this simple formula.
P = E x I
which translates into: P(power in watts) = E (Electromotive Force or Volts) x I (current or amps)
Conversely, for further information:
1,000 miliamps = 1 amp
Most of us don't really want to know about formulas, we just want to do miniatures and light them up for all to see. But understanding these formulas helps us make informed decisions regarding our lights and transformers. Another interesting formula that helps us understand the relationship between transformers and the number of lamps they can support is:
Watts divided by Voltage equals Current (or amps).
While you may not care about these formulas, I wanted to lay them out in this blog so that I (or anyone interested) could have ready access to them.
With a little algebra, you can estimate your electrical needs.
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