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41問 • 2年前
  • Someone_ 98
  • 通報

    問題一覧

  • 1

    all electromagnetic waves travel at what speed, not rounded

    2.99792458p

  • 2

    electromagnetic spectrum

    gamma rays, xrays, ultraviolet waves, visible light, infrared waves, microwaves, radio waves

  • 3

    highest energy electromagnetic waves

    gamma rays

  • 4

    can penetrate some materials

    xrays

  • 5

    is at a higher frequency and energy than violet light

    ultraviolet waves

  • 6

    our eyes can detect

    visible light

  • 7

    heat waves

    infrared

  • 8

    microwave ovens

    microwaves

  • 9

    longest wavelength and lowest frequency

    radio waves

  • 10

    distance between two like points on the wave

    wavelength

  • 11

    height of the wave compared to undisturbed state

    amplitude

  • 12

    the amount of time required for one wavelength to pass

    period

  • 13

    the number if waves passing in a given amount of time

    frequency

  • 14

    formula for the speed of light

    speed=frequencyxwavelength

  • 15

    Have neutrons, protons, and electronsHave neutrons, protons, and electrons

    atoms

  • 16

    located on the outer edges of atoms…they can be moved

    electrons

  • 17

    What is this electrical potential called?

    static energy

  • 18

    The build up of an electric charge on the surface of an object

    static energy

  • 19

    Occurs when there is a loss of static electricity

    static discharge

  • 20

    static discharge occurs when there is a loss of static electricity due to three possible things

    friction, conduction, induction

  • 21

    The flow of electrons from one place to another.

    current

  • 22

    current is measured in

    amperes

  • 23

    path for the flow of electrons. We use wires.

    circuit

  • 24

    There are 2 types of currents:There are 2 types of currents:

    direct current, alternating current

  • 25

    There are 2 types of circuits:

    series circuit, parallel circuit

  • 26

    components are lined up along one path. If the circuit is broken, all components turn off.

    series circuit

  • 27

    there are several branching paths to the components. If the circuit is broken at any one branch, only the components on that branch will turn off.

    parallel circuit

  • 28

    material through which electric current flows easily.

    conductor

  • 29

    materials through which electric current cannot move.

    insulator

  • 30

    conductors

    metal, water

  • 31

    insulators

    styrofoam, rubber, plastic, paper

  • 32

    The opposition to the flow of an electric current, producing heat.

    resistance

  • 33

    resistance is measured in

    ohms

  • 34

    what influenced resistance

    material of wire, thickness, length, temperature

  • 35

    measure of energy given to the charge flowing in a circuit.measure of energy given to the charge flowing in a circuit.

    voltage

  • 36

    how much water comes out of a hose.

    amps

  • 37

    how hard the water comes out of a hose.

    voltage

  • 38

    ohm’s law

    ohms=volts/amps

  • 39

    magnet made from a current bearing coil of wire wrapped around an iron or steel core.

    electromagnet

  • 40

    machine that changes mechanical energy to electrical energy

    generator

  • 41

    device that changes electrical energy to mechanical energy that can do work.

    motor

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    93問 • 2年前
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    36問 • 1年前
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    問題一覧

  • 1

    all electromagnetic waves travel at what speed, not rounded

    2.99792458p

  • 2

    electromagnetic spectrum

    gamma rays, xrays, ultraviolet waves, visible light, infrared waves, microwaves, radio waves

  • 3

    highest energy electromagnetic waves

    gamma rays

  • 4

    can penetrate some materials

    xrays

  • 5

    is at a higher frequency and energy than violet light

    ultraviolet waves

  • 6

    our eyes can detect

    visible light

  • 7

    heat waves

    infrared

  • 8

    microwave ovens

    microwaves

  • 9

    longest wavelength and lowest frequency

    radio waves

  • 10

    distance between two like points on the wave

    wavelength

  • 11

    height of the wave compared to undisturbed state

    amplitude

  • 12

    the amount of time required for one wavelength to pass

    period

  • 13

    the number if waves passing in a given amount of time

    frequency

  • 14

    formula for the speed of light

    speed=frequencyxwavelength

  • 15

    Have neutrons, protons, and electronsHave neutrons, protons, and electrons

    atoms

  • 16

    located on the outer edges of atoms…they can be moved

    electrons

  • 17

    What is this electrical potential called?

    static energy

  • 18

    The build up of an electric charge on the surface of an object

    static energy

  • 19

    Occurs when there is a loss of static electricity

    static discharge

  • 20

    static discharge occurs when there is a loss of static electricity due to three possible things

    friction, conduction, induction

  • 21

    The flow of electrons from one place to another.

    current

  • 22

    current is measured in

    amperes

  • 23

    path for the flow of electrons. We use wires.

    circuit

  • 24

    There are 2 types of currents:There are 2 types of currents:

    direct current, alternating current

  • 25

    There are 2 types of circuits:

    series circuit, parallel circuit

  • 26

    components are lined up along one path. If the circuit is broken, all components turn off.

    series circuit

  • 27

    there are several branching paths to the components. If the circuit is broken at any one branch, only the components on that branch will turn off.

    parallel circuit

  • 28

    material through which electric current flows easily.

    conductor

  • 29

    materials through which electric current cannot move.

    insulator

  • 30

    conductors

    metal, water

  • 31

    insulators

    styrofoam, rubber, plastic, paper

  • 32

    The opposition to the flow of an electric current, producing heat.

    resistance

  • 33

    resistance is measured in

    ohms

  • 34

    what influenced resistance

    material of wire, thickness, length, temperature

  • 35

    measure of energy given to the charge flowing in a circuit.measure of energy given to the charge flowing in a circuit.

    voltage

  • 36

    how much water comes out of a hose.

    amps

  • 37

    how hard the water comes out of a hose.

    voltage

  • 38

    ohm’s law

    ohms=volts/amps

  • 39

    magnet made from a current bearing coil of wire wrapped around an iron or steel core.

    electromagnet

  • 40

    machine that changes mechanical energy to electrical energy

    generator

  • 41

    device that changes electrical energy to mechanical energy that can do work.

    motor