Question 1 (3 points)

Question

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Generators use _______________ to create electricity.

Question 1 options:

static induction

static electricity

current electricity

electromagnetic induction

Question 2 (3 points)

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What do we call a device that converts electricity into mechanical movement?

Question 2 options:

Electrical charge

Electrical coil

Electrical generator

Electrical motor

Question 3 (3 points)

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Motors are devices that convert _____ energy into _____ energy.

Question 3 options:

mechanical; electrical

chemical; mechanical

potential; kinetic

electrical; mechanical

Question 4 (3 points)

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What happens when a wire is wound into a coil around an iron core in an electromagnet?

Question 4 options:

the magnetic field becomes stronger

the magnetic field becomes weaker

the wire explodes

you get electrocuted

Question 5 (3 points)

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What is magnetism?

Question 5 options:

An invisible force that attracts electrically charged particles

A contact force

A force created by magnets

Energy created by magnets

Question 6 (3 points)

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Which of the following is shown in the picture?



Question 6 options:

Transformer

Electric generator

Electric motor

Electromagnet

Question 7 (3 points)

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In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.

Question 7 options:

wire, iron, electric

iron, electric, wire

electric, wire, iron

Question 8 (3 points)

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Magnetic poles that are alike

Question 8 options:

do not react to each other.

repel each other.

always point toward the north.

attract each other.

Question 9 (3 points)

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The region around a magnet where the magnetic force is exerted is known as its

Question 9 options:

magnetic pole.

lodestone.

magnetic field.

magnetic domain.

Question 10 (3 points)

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Every magnet, regardless of its shape, has two

Question 10 options:

magnetic fields.

magnetic charges.

magnetic domains.

magnetic poles.

Question 11 (3 points)

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Where is the the pushing or pulling force of a magnet strongest?

Question 11 options:

at the ends of the magnet

same all the way through the magnet

in the middle of the magnet

Question 12 (3 points)

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If magnet A can hold 3 steel paperclips and magnet B can hold 5 steel paperclips, which one is stronger?

Question 12 options:

they are equally strong

magnets wouldn't attract steel paperclips

magnet A

magnet B

Question 13 (3 points)

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What does repel mean?

Question 13 options:

magnets move towards each other

magnets do not have magnetism

magnets move away from each other

Question 14 (3 points)

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Bar magnets have two poles. What are they?

Question 14 options:

north and south

red and green

east and west

red and blue

Question 15 (3 points)

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Magnetism is a type of what?

Question 15 options:

gravity

electricity

matter

force

Answer 1

Here are the answers to your questions:

Question 1: Generators use electromagnetic induction to create electricity.

Question 2: What do we call a device that converts electricity into mechanical movement?
Answer: Electrical motor

Question 3: Motors are devices that convert electrical energy into mechanical energy.

Question 4: What happens when a wire is wound into a coil around an iron core in an electromagnet?
Answer: the magnetic field becomes stronger

Question 5: What is magnetism?
Answer: A force created by magnets

Question 6: Which of the following is shown in the picture?
(Without the image, I can't answer accurately, but based on common knowledge, you would need to identify the object in the picture.)

Question 7: In order for an electromagnet to be formed, an electric current must pass through a coil of wire wrapped around an iron core.

Question 8: Magnetic poles that are alike repel each other.

Question 9: The region around a magnet where the magnetic force is exerted is known as its magnetic field.

Question 10: Every magnet, regardless of its shape, has two magnetic poles.

Question 11: Where is the pushing or pulling force of a magnet strongest?
Answer: at the ends of the magnet

Question 12: If magnet A can hold 3 steel paperclips and magnet B can hold 5 steel paperclips, which one is stronger?
Answer: magnet B

Question 13: What does repel mean?
Answer: magnets move away from each other

Question 14: Bar magnets have two poles. What are they?
Answer: north and south

Question 15: Magnetism is a type of what?
Answer: force

Feel free to ask if you need clarification on any of these answers!