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Make A Circuit, Break A Circuit

Authored by Fred Frazee

Physics

11th Grade

NGSS covered

Used 6+ times

Make A Circuit, Break A Circuit
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What makes an electromagnet stronger?

Increase the number of wire wraps around the iron core
decrease the strength of the power source
remove the source of current
lightning bolts hitting a tree

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the relationship between electrical current and magnetic field strength in an electromagnet?

When current is increased, magnetic field strength increases
When current is increased the strength of magnetic field decreases

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

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.

Tags

NGSS.MS-PS2-3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

How are electromagnets different from magnets?

magnets can be turned on/off
you can turn an electromagnet on/off
magnets are more powerful
magnets have a North and South pole

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Surrounding every magnet is a __________  __________.

magnetic field
force field
electromagnet
electromagnetic pulse

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the job of the generator in a coal power plant?

Use electrical energy to turn a turbine.
Convert electrical energy into mechanical energy
Turn the turbine which changes water into steam
To change mechanical energy into electrical energy

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mrs. Goodwyn's students are complaining that it is hot in the classroom. She plugs in the fan and turns it on, which energy transformation occurs?

mechanical to electrical
electrical to mechanical
chemical to mechanical
electromagnetic to mechanical

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