PhysicsFinalEquations

Card Set Information

Author:
victimsofadown
ID:
274970
Filename:
PhysicsFinalEquations
Updated:
2014-05-21 12:27:54
Tags:
PhysicsFinalEquations
Folders:
PhysicsFinal
Description:
PhysicsFinalEquations
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user victimsofadown on FreezingBlue Flashcards. What would you like to do?


    • Electric field strength
    • q: the charge creating the field
    • r: distance from the field (point in space)
  1. Electric field strength of a parallel plate capacitor

    • E: electric field strength
    • ΔV: change in potential of the plates (power source)
    • d: distance between the plates
    • Potential at a point distance away from a charge
    • Scalar quantity (+,-,0)
    • q: central charge
    • r: distance from that charge

    epe=Vq (q=other charge)
    • Coulomb's law
    • Interaction for point electric charges
    • q: charges
    • r: distance separating them
    • Direction determined by hand via attraction/repulsion
    • If we place a charge within an electric field
    • q: charge
    • E: electric field strength
    • Direction must be determined by hand via attraction/repulsion
  2. Work is equal to - change in epe or + change in ke
    • electric potential energy
    • V: electric potential of a space (point distance)
    • q: charge
    • Work done on a charge in an electric field
    • q: charge
    • V: potential of the charge
    • Kinetic energy (normal)
    • m: mass
    • v: velocity
  3. Capacitance of a capacitor

    • ε0: permativity of free space
    • A: area of the plates of a capacitor
    • d: distance between the plates
    • Ohm's Law
    • Potential = current x resistance
  4. Equivalent resistance of resistors IN SERIES
  5. Equivalent resistance of resistors IN PARALLEL
    • P: power 
    • V: potential
    • I: current
    • R: resistance
    • Capacitance of a capacitor
    • q: charge of plates
    • V: voltage difference between plates
  6. Equivalent capacitor for capacitors IN PARALLEL
  7. Equivalent capacitor for capacitors IN SERIES
    • Energy stored in a capacitor
    • U: epe
    • C: capacitance
    • V: voltage (potential)
    • q: charge
  8. Power is equal to work over time
  9. Exponential decay of stored charge in a capacitor
  10. Exponential decay of current across a resistor (as resistance builds)
  11. Exponential growth of charge being stored in a capacitor
  12. Exponential decay of current in a capacitor (as charge builds)
    • Induced emf from change in magnetic field
    • -: indicates that the direction opposes change
    • N: number of loops
    • ΔΦ: change in flux
    • Δt: change in time
    • Force exerted on a wire from a magnetic field
    • F: force
    • I: current in wire
    • L: length of wire in B field
    • B: magnetic field strength
    • θ: angle between I and B
    • Magnetic Flux
    • A: surface area
    • B: magnetic field
    • θ: angle between magnetic field and **normal to area
    • Shell's law
    • θ: angle between ray and NORMAL of surface
    • n: refractive index
    • refractive index
    • v: speed of light in substance
    • c: speed of light in vaccum
    • n: refractive index
    • (Electromagnetic wave)
    • c: speed of light in vaccum
    • f: frequency of wave
    • λ: wavelength
    • d0: distance between object and mirror
    • di: distance between image and mirror
    • f: focal length
    • f>0 converging lens, f<0 diverging lens
    • di>0 real image, di<0 virtual image
    • M: 
    • hi: image height
    • h0: object height
    • d0: distance between object and mirror
    • di: distance between image and mirror
    • m<0 real, inverted image
    • m>0 virtual, upright image

What would you like to do?

Home > Flashcards > Print Preview