I feel that Ohm's law is a bit overrated in the vaping community. The vaping community also likes to confuse the Ohm's law with Joule's first law.
Ohm's law tells you about the relation between voltage, resistance and current. If you're using some regulated device with over-current protection, I don't think Ohm's law should matter to you much. If you're building your own coils or using an unregulated mech, you should probably take some care not to run too much current through it.
Joule's first law is a bit more interesting to vaping because it tells you the power your coil will have. But then, the exact numbers aren't really interesting much either if you have a device that allows you to tune the voltage (VV) (or even power directly VW), going higher will give you more power. If you don't have such a device, you can increase the power by getting a coil with lower resistance.
In the end, what matters is whether your e-cig hits the way you like if it does, who cares about the numbers; if it doesn't, you can try increasing or decreasing the power and what matters is going up or down, not the exact numbers again.
And speaking about wizardry, I'm not a wizard. Some people have called me a witch, though.
Ohm's law tells you about the relation between voltage, resistance and current. If you're using some regulated device with over-current protection, I don't think Ohm's law should matter to you much. If you're building your own coils or using an unregulated mech, you should probably take some care not to run too much current through it.
Joule's first law is a bit more interesting to vaping because it tells you the power your coil will have. But then, the exact numbers aren't really interesting much either if you have a device that allows you to tune the voltage (VV) (or even power directly VW), going higher will give you more power. If you don't have such a device, you can increase the power by getting a coil with lower resistance.
In the end, what matters is whether your e-cig hits the way you like if it does, who cares about the numbers; if it doesn't, you can try increasing or decreasing the power and what matters is going up or down, not the exact numbers again.
And speaking about wizardry, I'm not a wizard. Some people have called me a witch, though.