Paper 1 Equations Flashcards
1
Q
Efficiency
A
Useful energy output/total energy in
2
Q
Ohms law
A
V = IR
3
Q
Power (energy)
A
Energy/ time or work done/time
4
Q
Energy
A
Charge x voltage
5
Q
Density
A
Mass/ volume
6
Q
Resistance in a series
A
R(total) = R1 + R2
7
Q
Power (electricity)
A
Current x voltage
8
Q
Charge
A
Current x time
