Electricity Flashcards
1
Q
Current
A
Rate of flow of charge
2
Q
Current equation
A
I = Q/t
Current = Charge/time
3
Q
Units
A
Time = seconds
Current = Ampere
Charge = Coulombs (c)
Power = Watts
Energy = Joules
4
Q
Potential Difference/voltage
A
energy supplied per unit charge
5
Q
PD equation
A
Volt = energy/charge
V = E/Q
6
Q
Charge equation
A
Charge = Current x Time
Q = It
7
Q
Power equation
A
Power = Energy/Time
P = E/t
Power = Current x Volt
P = IV
8
Q
Series & Parallel circuits
A
………….. Series Parallel
Current SAME SPLIT
PD SPLIT SAME
9
Q
Series circuit equation
A
Rtot = R1 + R2 + R3
10
Q
Parallel circuit equation
A
1/Rtot = 1/R1 + 1/R2
11
Q
A
