Question

Question 1 (3 points)

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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!