# Equations - Paper 1 Flashcards Preview

## Physics Paper 2 Trilogy 11B1 > Equations - Paper 1 > Flashcards

Flashcards in Equations - Paper 1 Deck (17)
1
Q

State the equation that links current, charge and time

A

Charge (C) = Current (A) x time (s)

Q = I t

2
Q

State the equation that links potential difference, current and resistance

A

Potential difference (V) = Current (A) x resistance (ohms)

V = I R

3
Q

State the equation that links power, potential difference and current

A

Power (W) = Potential difference (V) x current (A)

P = V I

4
Q

State the equation that links power, resistance and current

A

Power (W) = Current² (A) x resistance (ohms)

P = I²R

5
Q

State the equation that links power, energy and time

A

Power (W) = Energy transferred(J) / time (s)

P = E/t

6
Q

State the equation that links Energy, charge and potential difference

A

Energy (J) = Charge (C) x potential difference (V)

E = Q V

7
Q

State the equation that links density, mass and volume

A

Density (kg/m3) Mass (kg) / volume (m3)

d = m/v

8
Q

State tje equation that links time period and frequency

A

T (s)= 1 / f (Hz)

9
Q

State the equation for Boyle’s Law? (this is on the formula sheet)

A

pressure (Pa) x Volume (m3) = constant

pV = constant (this is on the formula sheet)

10
Q

State the equation that links work done, force and distance

A

Work done (J) = Force (N) x distance moved (m)

W = F D

11
Q

State the equation that links resistance, potential difference and current

A

Resistance (ohms) = Potential difference (V) / Current (A)

R = V/I

12
Q

State the equation for Efficiency?

A

Efficiency = Useful energy out/ Total Energy input

E= useful/input

13
Q

State the equation for Kinetic energy?

A

Kinetic energy (J) = 1/2 x Mass (kg) x Velocity² (m/s)

Ek=1/2mv²

14
Q

State the equation for Gravitational potential energy?

A

GPE (J) = Mass (kg) x Gravitational field strength (N/kg) x Height (m)

Ep=mgh

15
Q

State the equation for Elastic potential energy? (this is on the formula sheet)

A

Elastic potential energy (J) = 1/2 x Spring constant (N/m) x Extension² (m)

Ee=1/2ke² (this is on the formula sheet)

16
Q

State the equation for Specific heat capacity (SHC)? (this is on the formula sheet)

A

SHC (J/kgOC) = Energy (J) / mass (kg) x temperature change (OC)

c = E / (m x Ø) (this is on the formula sheet)

17
Q

State the equation for Specific latent heat? (this is on the formula sheet)

A

Specific latent heat (J/kg) = Energy (J) / mass (kg)

L = E / m (this is on the formula sheet)