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An electronic system, with closed loop current flow, and relative electrical potentials present across electrical components.

1 vote
0 answers
575 views

Is this the reason why a circuit with no components (except wire) would discharge the batter...

I read that if I simply connect two ends of a battery it would discharge really quick and it would last longer if the circuit contained e.g. a light bulb. I wondered why is this happening and my reas …
Richard Smith's user avatar
25 votes
8 answers
18k views

Why is capacitance defined as charge divided by voltage?

I understand that capacitance is the ability of a body to store an electrical charge and the formula is $C=\frac{Q}{V}$. What I don't understand, however, is why it is defined as coulomb per volt. Of …
Richard Smith's user avatar