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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

Specific latent heat?

Energy = mass (kg) x specific heat value