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0 votes
2 answers
54 views

Do we have to provide energy to move electrons in an electric field?

In the positive and negative terminal of a battery, there is potential difference due to the accumulation of charges in their respective terminal, so it created a potential difference, and if we ...
Nishesh Tyagi's user avatar
1 vote
2 answers
162 views

What's the necessary work to increase the distance between two plates of a capacitor connected to a battery?

I'm trying to understand what happens, when the capacity of a capacitor connected to a battery changes. I have this circuit formed by a battery that provides a potential difference of $\Delta V$ and a ...
Fede's user avatar
  • 435
1 vote
0 answers
88 views

Joule's heating effect

Can we derive joule heating effect or heating of current using energy conservation for electrons when current is varying with time ?Like using concept of drift velocity,potential diffrence across ...
user avatar
4 votes
2 answers
1k views

What exactly is “electrical energy”?

If the two fundamental types of energy are kinetic and potential energy, is electrical energy simply the kinetic energy of charge carriers? Also, is the statement “A cell converts chemical potential ...
hb20007's user avatar
  • 1,546