Formulas Not on Formula Book

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  • Created by: nhavers5
  • Created on: 09-04-13 18:24
Magnification (D, dioptres)
Magnification= Image height/Object height
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Number of Bytes
Number of Bytes = Number of Bits/8
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Number of Bits
Number of Bits = log2(Number of Possible Values)
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Minimum Rate of Sampling (Hz)
Minimum Rate of Sampling = 2 X Maximum Frequency
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Rate of Transmission (bits per s
Rate of Transmission = Samples per second X Bits per sample
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Bandwidth (Hz)
Highest frequency - Lowest frequency
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Bandwidth (Hz)
Bandwidth ≈ Maximum number of bits per second
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Bandwidth (Hz)
Bandwidth = Carrier frequency
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ɛ,EMF (V)
Terminal P.D. + Lost P.D.
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ɛ,EMF (V)
EMF = Current X (Circuit resistance + Internal resistance)
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Vout (In a Potential Divider) (V)
Vout = Supply voltage X R1/R1+R2
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Power (W)
Power = Energy/time
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Energy (J)
Energy = Current X Time X Voltage
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Work Done (J)
Work Done = Energy
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Destructive Interference occurs when?
λ X (n+0.5) where n is any integer
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Constructive Interference occurs when?
λ X n where n is any integear
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λ, Wavelength of light (m)
(λ + Distance between slits and the wall) / Distance between the slits
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λ, Wavelength of light (m)
Distance between the slits X sinθ = number of Maximas X λ
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Energy in a photon (J)
Energy in a photon = Planck's Constant X Speed of Light / λ
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Probability of a path being taken
Probability = Resultant Phasor Amplitude²
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Energy in an electron (J)
Energy in an electron = eV (electonvolt) it is a constant
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Number of electrons emitted
Number of electrons = 1/ Charge on an electron
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Displacment (m)
S = ((u+v)/2)t
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Force (N)
F = ma
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Work (J)
W = FS (displacment must be in direction of force)
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Force due to gravity (N) also known as weight
F = mg (gravitational acceleration is 9.8)
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Gravitational Potential Energy (J)
GPE = mg X height of object
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Kinetic Energy (J)
0.5mv²
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Elastic Potential Energy
0.5 X stiffness constant (k) X extension
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Gradient
dy/dx = ΔY/ΔX
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Sensitivity
Δ in dependent / Δ in independent
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Other cards in this set

Card 2

Front

Number of Bytes

Back

Number of Bytes = Number of Bits/8

Card 3

Front

Number of Bits

Back

Preview of the front of card 3

Card 4

Front

Minimum Rate of Sampling (Hz)

Back

Preview of the front of card 4

Card 5

Front

Rate of Transmission (bits per s

Back

Preview of the front of card 5
View more cards

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