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| Veritasium "How Electricity Actually Works" |
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| IanB:
--- Quote from: electrodacus on May 19, 2022, 03:36:39 pm ---a) Is electrical energy the integral over time of electrical power ? b) Is electrical power the product of electrical potential and electrical current? c) Is electrical current defined as a flow of electrical charged particles? In this particular cases we are discussing flow of electrons. Let me know if you answer as No on any of the 3 questions above. --- End quote --- a) Not always b) Not always c) Not always |
| electrodacus:
--- Quote from: IanB on May 19, 2022, 03:51:53 pm ---a) Not always b) Not always c) Not always --- End quote --- ??? OK give an example. I need to admit I did not expected this answer. Waiting for your clarification. |
| PlainName:
--- Quote from: electrodacus on May 19, 2022, 03:00:03 pm --- --- Quote from: dunkemhigh on May 19, 2022, 02:35:39 pm --- You're jumping ahead. Regardless of the how, energy is either transferred across or it is not. Didn't we agree that there is insertion of energy on one side and extraction of same on the other? So therefore energy MUST have been transferred. The only thing in doubt is the exact mechanism. Are you now disputing this already agreed fact (that there is a transfer of energy from PSU to resistor)? --- End quote --- Energy is stored not transferred. Can you just not imagine energy being stored ? Even after you disconnect the battery there will still be energy stored in there and if you close the circuit by connecting a wire in the place of the battery current from capacitor will flow now in the opposite direction and all that stored energy will be doing work while capacitor is discharged. --- End quote --- I don't dispute that a capacitor can store energy. As can a battery, and many other things. But that isn't relevant here - what is relevant is that there is a input on one side and an output on the other. The bits inbetween are a black box, and all we know is that there is no continuous transfer, but there is some. So, are you disputing that the energy input on one side causes the transfer that allows consumption on the other side? |
| electrodacus:
--- Quote from: dunkemhigh on May 19, 2022, 04:14:13 pm --- I don't dispute that a capacitor can store energy. As can a battery, and many other things. But that isn't relevant here - what is relevant is that there is a input on one side and an output on the other. The bits inbetween are a black box, and all we know is that there is no continuous transfer, but there is some. So, are you disputing that the energy input on one side causes the transfer that allows consumption on the other side? --- End quote --- You need to have a circuit so obviously that as many electrons will exit on one side of the battery as they enter the other side else there is just no energy transfer. You can not just connect one terminal of the battery say the negative to a circuit and expect electrons to flow. You need a complete loop for that. |
| PlainName:
--- Quote from: electrodacus on May 19, 2022, 04:27:48 pm --- --- Quote from: dunkemhigh on May 19, 2022, 04:14:13 pm --- I don't dispute that a capacitor can store energy. As can a battery, and many other things. But that isn't relevant here - what is relevant is that there is a input on one side and an output on the other. The bits inbetween are a black box, and all we know is that there is no continuous transfer, but there is some. So, are you disputing that the energy input on one side causes the transfer that allows consumption on the other side? --- End quote --- You need to have a circuit so obviously that as many electrons will exit on one side of the battery as they enter the other side else there is just no energy transfer. You can not just connect one terminal of the battery say the negative to a circuit and expect electrons to flow. You need a complete loop for that. --- End quote --- So you are saying that what we see in that circuit is false? That the input energy from the PSU does not cause the resistor to consume energy? |
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