Equations for electricty Flashcards
1
Q
charge (C)= current (amp) x time (s)
A
Q=It
2
Q
potential difference (V)= current (amp) x resistance (omh)
A
V=IR
3
Q
total resistance= resistance of component 1+resistance of component 2
A
R(t)=R1+R2
4
Q
power(w)= current(amp) x potential difference (V)
A
P=IV
5
Q
power(W)= Current (amp)^2 x resistance (omh)
A
P=I^2R
6
Q
energy transferred (J)= power (W) x time (S)
A
E=Pt
7
Q
energy transferred (J)= charge flow (c) x potential difference (V)
A
E=QV