Say you had a longing desire to flick on a switch connected by a very long wire to a light bulb far far away (because reasons). Would there be a delay before the bulb lit up? Could you run to the light bulb before the ‘electricity’ got there? No? How about if you flew in your private jet? We’ll see… Unfortunately describing electricity in terms of how fast it travels isn’t particularly scientific. There are many ‘electricities’. Which ‘electricity’ do you mean? Electricity in general refers to the phenomena that involve electric charge. The rate of flow of electric charge is called the electric current (I talked about this a little in Resistance Is Futile ), and can, in simple terms, be described by the equation below: Yes, I’m sorry for omitting the deltas or d’s. t is time, Q is charge, I is current (because reasons again). It’s interesting actually, because the Q represents ‘quantity of electricity’ before they called...
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