S6 electricity - 6. conservation of energy and charge Flashcards
1
Q
as charge flows through a circuit…
A
it doesn’t get used up or lost
2
Q
state kirchoffs first law
A
the total current entering a junction is equal to the total current leaving it
3
Q
state Kirchhoff’s second law
A
The total e.m.f. around a series = the sum of the p.d.s across each component
