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4
questions
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Work-energy theorem giving no work done on capacitor and dielectric when dielectric removed from capacitor [closed]
For this problem,
Do you please know why when considering that the capacitor and dielectric is our system, the work energy theorem gives the wrong sign for the change in electrostatic potential ...
- 49
2
votes
3
answers
392
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Electric potential in circuits
From what I understand from my notes, an e.m.f or electromotive force provided by a battery is the electrical energy per unit charge converted from other forms of energy required to drive a unit ...
- 79
1
vote
2
answers
326
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Work done by battery in moving charge $Q$ in circuit
why work done by a battery in circuit is potential diffrence across plates times charge flown through body.
W=Qε(ε is emf of battery)
although there are heat and other loses ? and another that my ...
user233089
1
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3
answers
5k
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Why doesn't potential difference across circuit increase when length of wire increases?
Since $V=Ed$, why doesn't the electric potential increase when length of the wire increases. $d$ increases right? Is it because the battery only pushes the electrons from one terminal to the other and ...
- 295