P6 - FINALS!!!

Cards (83)

  • It is the flow of electrons; the movement of electrons between atoms
    electricity
    • The positive and negative charge
    • Physical property of an object that causes it to be ATTRACTED towards or REPELLED from another charged object

    electric charge
  • where can we find the electric charge?
    atom
  • a kind of electricity that is produced when there is an imbalanced of electric charges
    static electricity
  • it is able to produce static electricity when rubbed with a cloth
    amber
  • "Electricity" comes from the GREEK word elektron which means?
    amber
    • carried out famous experiments involving flying kites during thunderstorms
    • Classified charges as EITHER POSITIVE or NEGATIVE
    Benjamin Franklin
  • discovered negatively charged particles known as electrons
    JJ Thomson
  • discovered positively charged particles known as protons
    Ernest Rutherford
  • charges are measured in?
    coulombs (C)
  • the sum of the number of electrons and protons
    net charge
  • allows the movement of electric charges
    conductor
  • doesn't allow the movement of electric charges
    insulator
  • The METHODS OF CHARGING:
    • CONDUCTION
    • INDUCTION
    • FRICTION
  • a LAW THAT STATES that the algebraic sum of all the electric charges in any closed system is CONSTANT
    Law of Conservation of Charge
  • no charge is being added or removed from the system
    closed system
  • formula of coulomb's law
    f= kq1q2/r^2
  • The magnitude of the electric force between two point charges is _______ ________ to the product of the charges
    directly proportional
    • is said to exist in the region or space around a charged object, the source charge - it is the electric force per unit charge (N/C)
    electric field
  • In electrostatic attraction, there is ____ between charges
    work
    • per unit charge (V or J/C)
    • STORED ENERGY in a CIRCUIT
    • the energy NEEDED to MOVE AN ELECTRIC CHARGE against an electric field
    electric potential energy
  • it is the AMOUNT of WORK needed to move an electric charge FROM ITS REFERENCE POINT to a specific point on the electric field
    electric potential
  • is required to MOVE an ELECTRIC CHARGE that contains potential energy either towards an opposite charge or against a like charge
    electric force
  • refers to the total kinetic and potential energies present in a system
    law of conservation of mechanical energy
    • refers to the “rate of the flow of the electric field through a given SURFACE”
    • the property of an electric field relating to the measure of its strength
    electric flux
  • a _______ charge within a region will have an outward electric flux passing through its surface.

    positve
  • A _______ charge will have an inward electric flux through its surface
    negative
  • The net electric flux going outward the surface of the region is _________ proportional to the magnitude of the net charge enclosed by that region.
    directly
  • a law that states that the electric flux passing through a closed surface is EQUAL to the RATIO of TOTAL CHARGE enclosed by that surface to the permittivity of FREE SPACE
    Gauss's Law
  • full name of Gauss?

    Karl Friedrich Gauss
  • value of epsilon nought
    8.85x10^-12 C^2/Nm^2
  • a device that stores or holds an electric charge
    capacitors
  • the capacity to hold the charges
    capacitance
  • all components are connected end-to-end; single path for current flow
    series circuit
  • all components are connected ACROSS each other

    parallel circuit
  • capacitors consist of ___ parallel coductors
    two
  • a capacitor which contains the same amount of capacitance as the combination of capacitors in a given system
    equivalent capacitor
  • rate of the flow of charges
    current
  • drives electron flow
    voltage
  • controls and restricts electron flow
    resistance