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mod 3 3.1 - 3.2 - 3.3
  • Yousef Alshammary

  • 問題数 24 • 1/26/2025

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    問題一覧

  • 1

    The atom that gives up some of its electrons is

    a positive ion

  • 2

    The fundamental negative charge is the

    electron

  • 3

    An electron is a particle which

    orbit the nucleus of an atom

  • 4

    Elements whose atoms have fewer than 4 electrons in their valency shell are

    good conductor

  • 5

    The atomic number of an element is dependent upon the

    number of electrons

  • 6

    The 1st shell (K) has a maximum of

    2 electrons

  • 7

    The 4th shell (N) has a maximum of

    32 electrons

  • 8

    Electron arrangement of potassium which has 19 electrons is

    2.8.8.1

  • 9

    Charged bodies attract or repel each other with a force that is directly proportional to the product of their individual charges, and is inversely proportional to the square of the distance between them

    Coulomb's Law

  • 10

    A vacuum is a medium

    that allow electricity to flow unimpeded

  • 11

    The type of medium that is the best electrical conductor is

    vacuum

  • 12

    The SI unit of electrical charge is

    coulomb

  • 13

    An electrolyte liquid is

    a liquid which can carry an electric current through it

  • 14

    The process used to make some non-conducting liquids conduct electricity is

    ionization

  • 15

    Plasma is the state of matter where some

    of the electrons in a gas are stripped or "ionized" from their molecules or atoms

  • 16

    The field about a charged body is generally represented by lines which are referred to as

    electrostatic lines of force

  • 17

    Energy contained by an electron by virtue of its motion is

    called kinetic energy

  • 18

    The rate of flow of charge (Q)is

    Amber

  • 19

    Therefore Electric current Flow can be said to

    flow from Negative to Positive

  • 20

    Directed drift means

    current

  • 21

    This opposition to current flow is known as resistance (R), and the unit of measure is the

    Ohm

  • 22

    conductivity is the inverse of

    resistance

  • 23

    Mobile electrons means

    free electron

  • 24

    current can be calculated by the formula

    I = Q / t