Electromagnetism
8 months ago
lwunder_46979
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16 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    This picture best illustrates the construction of a(n)

    answer choices

    magnet

    electromagnet

    series circuit

    parallel circuit

  • Question 2
    30 seconds
    Q. How do you make an electromagnet stronger?
    answer choices
    Add a motor and/or lightbulbs
    Add more light bulbs and/or wire coils
    add more wire coils and/or a switch
    add more wire coils and/or batteries
  • Question 3
    300 seconds
    Q. What is true about electricity and magnetic fields?
    answer choices
    Electricity is needed to create any magnet.
    Electricity always creates a magnetic field.
    Electricity is stronger than a magnetic field.
    Electricity prevents magnetic fields from occurring.
  • Question 4
    60 seconds
    Q. This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
    answer choices
    Add more coils of wire to the nail.
    Use a smaller battery.
    Reverse the poles of the magnet.
    Remove all the coils and the nail.
  • Question 5
    60 seconds
    Q. What kind of magnet can be turned on and off?
    answer choices
    refridgerator magnet
    electromagnet
    magnetite
    iron
  • Question 6
    30 seconds
    Q. A compass needle responds to a magnetic field, because the compass needle is a
    answer choices
    A. generator.
    B. motor.   
    C. magnet.
    D. transformer.
  • Question 7
    30 seconds
    Q.

    What is magnetic force?

    answer choices

    A force exerted by electrically charged particles

    A force exerted by magnets that can be felt by objects near a magnet

    A force exerted by magnets that makes an object become electrically charged

    A force exerted by a magnet only when it physically touches an object

  • Question 8
    30 seconds
    Q.

    Which of the following is not a good conductor?

    answer choices

    Copper

    Silver

    Aluminium

    Plastic

  • Question 9
    30 seconds
    Q.

    Particles with opposite charges ____________ and particles with same (or like) charges ____________.

    answer choices

    attract, repel

    repel, repel

    attract, attract

    repel, attract

  • Question 10
    30 seconds
    Q.

    The picture above is an example of what?

    answer choices

    Magnetic field

    Electric field

    Repulsion

    Attraction

  • Question 11
    30 seconds
    Q.

    What would happen with the magnets in the picture above?

    answer choices

    They would repel

    Nothing

    They would attract

    They would repel and then attract

  • Question 12
    120 seconds
    Q. The ability of some materials to attract certain metals is called
    answer choices
    Electricity
    Magnetism
    Electromagnetism
    Atoms
  • Question 13
    30 seconds
    Q.

    If the north pole of a magnet is brought close to the south pole of another magnet, what will happen?

    answer choices

    They will atrract each other

    They will repel each other

    They will demagnitize

    The south pole will turn around so the north pole is facing the other magnet.

  • Question 14
    120 seconds
    Q.

    Which sides of the magnet repel each other?

    answer choices

    A) North and North Pole

    B) South and South Pole

    C) The North and South Pole

    D) A and B

    E) A, B,C

  • Question 15
    120 seconds
    Q.

    Which answer describes a magnet best.

    answer choices

    A material that has two north poles

    A material that has a two south poles

    A material that has a north and a south pole

    An electron

  • Question 16
    120 seconds
    Q.

    Which sides of the magnet attract each other?

    answer choices

    A) North and North Pole

    B) South and South Pole

    C) The North and South Pole

    D) A and B

    E) A, B,C

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