All Questions
4
questions
1
vote
1
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104
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If a downed powerline contacts the metal chassis of my car, can I touch any metal parts of my car while sitting inside of it?
consider the following situation. I parked my car underneath some high-voltage lines – let’s say 380 kV-lines. Suddenly, one of the lines breaks in the middle due to a storm and one end of the (still ...
- 11
0
votes
1
answer
89
views
Is the speed at which electrons move through a conducting wire binary?
If a voltage differential causes electrons to move through a conducting wire, and no other forces are acting against them, will they always move at the highest possible speed through that material?
...
2
votes
1
answer
241
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What do the batteries actually do to the electrons?
I am plagued by this simple question that what force exactly causes the motion of an electron in the middle of a lattice of electrons of a wire?
a. Is it an electric field created inside a wire due to ...
- 178
1
vote
1
answer
5k
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Filament lamp: Negative part of I/V characteristic?
I don't understand the negative part of the graph. It shows that the resistance is decreasing as the voltage goes from negative towards 0.
What does a negative voltage mean and why does the graph ...
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