All Questions
4
questions
1
vote
1
answer
97
views
Does the Conventional Current flow consist out of anything? (virtual photons)
I've red that virtual photons are a way of interpreting the electromagnetic force between charged particles. Is convention current a electromagnetic field or force? Or is it a movement of ...
1
vote
1
answer
756
views
How do electric currents make light?
In an incandescent light bulb, electrons flow through wires to the bulb, where is passes through a filament, and the filament lights up.
Does this work because of several high energy electrons losing ...
1
vote
3
answers
1k
views
Photocurrent's dependence on frequency [duplicate]
Sounds like a rookie question, this, but could someone please explain to me why doesn't photocurrent increase when we increase the frequency of the incident radiation? I mean, an increase in frequency ...
3
votes
1
answer
285
views
Electricity from lightning
According to the internet, a lightning strike contains about 5 billion joules or 5 GJ. How was this calculated?
Another thing: Once the lightning strike a metal grounded rod, a current will flow. ...