Equations (All) Flashcards
0
Q
Charge
A
Current x time
1
Q
Moment
A
Force x perpendicular distance
2
Q
Voltage
A
Current x resistance
3
Q
Electrical power
A
Voltage x current
4
Q
Wave speed
A
Frequency x wavelength
5
Q
Voltage and turns
A
Input voltage/ output voltage = input turns/output turns
6
Q
Efficiency
A
Total energy output
7
Q
Pressure difference
A
Height x density x gravity
8
Q
Input power
A
Output power
9
Q
Voltage and current
A
Primary current x primary voltage
= secondary current x secondary voltage
10
Q
Speed
A
Time
11
Q
Force
A
Mass x acceleration
12
Q
Acceleration
A
Time taken
13
Q
Momentum
A
Mass x velocity
14
Q
Density
A
Volume
15
Q
Work done
A
Force x distance moved
16
Q
Kinetic energy
A
1/2 x mass x speed^2
17
Q
Gravitational potential
A
Mass x gravity x height
18
Q
Weight
A
Mass x gravitational field strength
19
Q
Pressure
A
Area
