Symbols and Units Flashcards

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1
Q

Capacitance

A

C

Farads, F

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2
Q

Current

A

I

Amps, A

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3
Q

Charge

A

Q

Coulombs, C

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4
Q

Energy

A

E

Joules, J

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5
Q

Voltage

A

V

Volts, V

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6
Q

Internal resistance

A

r

Ohms, Ω

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7
Q

Resistance

A

R

Ohms, Ω

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8
Q

Time

A

t

Seconds, s

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9
Q

Power

A

P

Watts, W

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10
Q

e.m.f

A

E

Volts, V

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11
Q

Supply Voltage

A

Vs

Volts, V

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12
Q

Work in an electric field

A

W

Joules, J

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13
Q

Mass

A

m

kilograms, kg

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14
Q

Speed of light

A

c

metres per second, ms-1

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15
Q

Plancks Constant

A

h

Unit in data sheet

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16
Q

Frequency

A

f

Hertz, Hz

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17
Q

Threshold frequency

A

fo

Hertz, Hz

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18
Q

Kinetic energy

A

EK

Joules, J

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19
Q

Time period

A

T

Seconds, s

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20
Q

Wavelength

A

λ

metres, m

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21
Q

Wave speed

A

v

metres per second, ms-1

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22
Q

Refractive index

A

n

no units

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23
Q

Critical angle

A

θC

Degrees, O

24
Q

Irradiance

A

I

Watts per square metre, Wm-1

25
Q

Distance

A

d

metres, m

26
Q

Area

A

A

Square metres, m2

27
Q

Average speed

A

v

metres per second, ms-1

28
Q

Average velocity

A

v

metes per second, ms-1

29
Q

Displacement

A

s

metres, m

30
Q

Acceleration

A

a

metres per second per second, ms-2

31
Q

Initial velocity

A

u

metres per second, ms-1

32
Q

Final velocity

A

v

metres per second, ms-1

33
Q

Weight

A

W

Newtons, N

34
Q

Gravitational field strength

A

g

Newtons per kilogram, Nkg-1 or ms-2

35
Q

Force

A

F

Newtons, N

36
Q

Work Done

A

EW

Joules, J

37
Q

Potential Energy

A

Ep

Joules, J

38
Q

Height

A

h

Metres, m

39
Q

Momentum

A

p

kgms-1

40
Q

Redshift

A

z

no units

41
Q

Hubbles constant

A

HO

Unit in data sheet

42
Q

Universal Constant of Gravitation

A

G

Unit in data sheet

43
Q

Observed frequency

A

fO

Hertz, Hz

44
Q

Source frequency

A

fs

Hertz, Hz

45
Q

Velocity of source

A

vs

metres per second, ms-1

46
Q

Observed wavelength

A

λO

Metres, m

47
Q

Source wavelength

A

λS

Metres, m

48
Q

Length

A

l

metres, m

49
Q

Contracted length

A

l’

metres, m

50
Q

Dilated time

A

t’

seconds, s

51
Q

Slit separation

A

d

metres, m

52
Q

Order of maxima or minima

A

m

No unit

53
Q

Angle

A

θ

Degrees, O

54
Q

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

A

r

metres, m

55
Q

Gravitational Force of Attraction

A

F

Newtons, N