Flashcards in Equations Deck (24):

1

## What is the WORD equation for resistance?

### Resistance = Potential difference ➗ Current

2

## Give the WORD equation for charge flow

### Charge flow = Current X time

3

## Give the SYMBOL equation for energy transfer (with Coulombs and Volts)

### E=Q X V

4

## Give the SYMBOL equation for time

### T = Q ➗ I

5

## Give the SYMBOL equation for resistance

### R = V ➗ I

6

## Give the SYMBOL equation for charge flow

### Q = I X T

7

## Give the SYMBOL equation for power (with AMPS and OHMS)

### P = I squared X R

8

## Give the SYMBOL equation for Potential Difference

### V = I X R

9

## Give the WORD equation for time

### Time = Charge flow ➗ Current

10

## Give SYMBOL equation for energy transferred (with power and time)

### E = P X T

11

## Give the WORD equation for potential difference

### Potential difference = Current X Resistance

12

## Give SYMBOL equation for power (when you have AMPS and VOLTS)

### P= V X I

13

## Give the WORD equation for power (when CURRENT and RESISTANCE is given)

### Power = Current squared X resistance

14

## Give the WORD equation for energy (using P and T)

### Energy transferred = Power X Time

15

## Give the WORD equation for energy transferred (using COULOMBS and VOLTS)

### Energy transferred = charge flow X potential difference

16

## Give WORD equation for POWER (with AMPS and VOLTS)

### Power = Current X Voltage

17

## Kinetic energy equation?

### Ek = 1/2 mass x m/s squared

18

## Gravitational potential eq?

### Ep = M (mass) x g (gravity strength) x h

19

##
Elastic potential equation?

### Ee = 1/2 x k (spring constant) x e (extension) squared

20

## V total?

### V1 + v2 etc (in a series)

21

## Parallel v?

### V1 = V2 etc

22

##
Efficiency?

### Useful power output ➗ total power input

23

## Specific heat capacity?

### Energy = mass (kg) x specific heat (j/kg degrees) x temp change (degrees)

24