Symbols and Units Flashcards by Alison Burnett

Q

Capacitance

A

C

Farads, F

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Q

Current

A

I

Amps, A

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Q

Charge

A

Q

Coulombs, C

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Q

Energy

A

E

Joules, J

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Q

Voltage

A

V

Volts, V

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Q

Internal resistance

A

r

Ohms, Ω

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Q

Resistance

A

R

Ohms, Ω

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Q

Time

A

t

Seconds, s

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Q

Power

A

P

Watts, W

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Q

e.m.f

A

E

Volts, V

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Q

Supply Voltage

A

V_s

Volts, V

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Q

Work in an electric field

A

W

Joules, J

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Q

Mass

A

m

kilograms, kg

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Q

Speed of light

A

c

metres per second, ms^-1

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Q

Plancks Constant

A

h

Unit in data sheet

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Q

Frequency

A

f

Hertz, Hz

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Q

Threshold frequency

A

f_o

Hertz, Hz

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Q

Kinetic energy

A

E_K

Joules, J

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Q

Time period

A

T

Seconds, s

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Q

Wavelength

A

λ

metres, m

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Q

Wave speed

A

v

metres per second, ms^-1

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Q

Refractive index

A

n

no units

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Q

Critical angle

A

Ø_C

Degrees, ^O

Q

Irradiance

A

I Watts per square metre, Wm^-1

Q

Distance

A

d

metres, m

Q

Area

A

A

Square metres, m²

Q

Average speed

A

v

metres per second, ms^-1

Q

Average velocity

A

v

metes per second, ms^-1

Q

Displacement

A

s

metres, m

Q

Acceleration

A

a

metres per second per second, ms^-2

Q

Initial velocity

A

u

metres per second, ms^-1

Q

Final velocity

A

v

metres per second, ms^-1

Q

Weight

A

W

Newtons, N

Q

Gravitational field strength

A

g

Newtons per kilogram, Nkg^-1 or ms^-2

Q

Force

A

F

Newtons, N

Q

Work Energy

A

E_W

Joules, J

Q

Potential Energy

A

E_p

Joules, J

Q

Height

A

h

Metres, m

Q

Momentum

A

ρ

kgms^-1

Q

Redshift

A

z

no units

Q

Hubbles constant

A

H_O

Unit in data sheet

Q

Universal Constant of Gravitation

A

G

Unit in data sheet

Q

Observed frequency

A

f_O

Hertz, Hz

Q

Source frequency

A

f_s

Hertz, Hz

Q

Velocity of source

A

v_s

metres per second, ms^-1

Q

Observed wavelength

A

λ_O

Metres, m

Q

Source wavelength

A

λ_S

Metres, m

Q

Length

A

l

metres, m

Q

Observed length

A

l’

metres, m

Q

Observed time

A

t’

seconds, s

Q

Slit separation

A

d

metres, m

Q

Order of maxima or minima

A

m

No unit

Q

Angle

A

Ø

Degrees, ^O

Q

Distance between centre of one object and the centre of another object

A

r

metres, m

Q

Gravitational Force of Attraction

A

F

Newtons, N