electricity Flashcards
1
Q
what is the emf of a voltage current graph
A
y intercept
2
Q
how do you calculate the energy under a current time graph
A
calculate the area under it and multiply it by the voltage of the circuit
3
Q
how do you determine charge
A
energy/charge
4
Q
what is the unit for charge?
A
coulombs
5
Q
how do we find total charge
A
power x time
6
Q
what is the potential divider formula?
A
V out = V in (R2 / R2+R1)
7
Q
what is the description of Emf?
A
work done moving 1 C of charge through the call
