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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 ...
Fujita's user avatar
  • 15
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 ...
user avatar
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 ...
Anindya Mahajan's user avatar
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. ...
user28324's user avatar
  • 413