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Published on Feb 2, 2014
Concepts of power (watts), current (amps), resistance (ohms), and voltage (volts); and the relationship between them, Ohm's Law.
I'll show how the atomizer of your vape works just like water flowing through a hose. Current is the flow of electricity and the rate is measured in amps. Power is the rate that current is converted to heat, measured in watts. Voltage is electrical pressure on current and it's measured in volts. Resistance is the opposing force against current flow, measured in ohms.
Ohm's Law equation is I=V/R. Combined with the power equation, P=IV, you can rearrange these variables to find what you need. More importantly it's used to calculate resistance limits for sub-ohm vaping and battery safety.