- #1
niallniall
- 7
- 0
Can electricity be sent back into the UK national grid via a normal household plug socket?
AI Thread Summary
Electricity cannot be sent back into the UK national grid through a normal household plug socket. While theoretically possible with a sufficiently powerful device, practical and legal barriers exist. The UK grid has mechanisms to prevent back-current, ensuring safety and stability. Unlike the US, where laws require utilities to purchase power from generators, the UK has different regulations regarding grid contributions. Overall, sending electricity back to the grid from a household setup is not feasible.
- #2
- 2,020
- 843
niallniall said:
Theoretically, sure, if you have a device that produces a large enough potential. I'm a little nervous about why you would be asking...
-Dan
Actually, come to think of it, most power grids probably have some sort of device to prevent the back-current from something like a lightning strike, so probably not.
- #3
russ_watters
Mentor
- 23,691
- 11,130
In the US, anyway, the law requires that a local utility company buy power from essentially anyone who is capable of generating it and selling it to them.
In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question.
Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point?
Lets call the point which connects the string and rod as P.
Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...
This problem is two parts. The first is to determine what effects are being provided by each of the elements - 1) the window panes; 2) the asphalt surface. My answer to that is
The second part of the problem is exactly why you get this affect.
And one more spoiler:
F1=(5000+200)g=5200*10=52000N --> F2=(5000+100)g=5100*10=51000N ?
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