How do you make an electromagnet?

wrap an iron nail in wire and connect it to a power source.

wrap a battery in wire and connect it to an iron nail.

wrap a wire with another wire and connect it to an iron nail.

wrap an iron nail in wire and connect it to another iron nail.

How were we able to turn the electromagnet off?

Disconnecting the circuit to stop current flow

Hooking the wire up to the battery/

Moving the battery further away from metal objects

Which of the following familiar occurrences is due to magnetic force?

The needle of a compass points towards Earth's North Pole.

A person gets a shock from a door knob after walking across carpet.

Pieces of clothing stick together after being in a clothes dryer.

Earth is constantly pulling all objects towards its center.

A student is asked to describe an example of a magnetic force in everyday life using an object found in the student's home. Which of the following objects would most likely be best for the student to use?

A refrigerator with objects stuck to the door

A calculator powered by sunlight

A table with a vase on top of it

Which of the following statements best describes the torque experienced by a current-carrying loop of wire in an external magnetic field?

It is due to the interaction of the external magnetic field and the magnetic field produced by the current in the loop.

It is due to the current in the loop of wire, only

It is inversely proportional to the strength of the external magnetic field.

It is inversely proportional to the length of the conducting loop in the magnetic field.

Why does a compass needle point north?

Because it is being attracted to the Geographic South Pole

Because it is being attracted to the Geographic North Pole

Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?

First to the middle, then to the ends

The Right Hand Rule relates the variables:

Current, Magnetic Field and Magnetic Force

Current, Magnetic Field and Electrical Force

Charge on object 1, Charge on object 2 and distance

Magnetic Field, Magnetic Force and Electrical Force

What does the following represent? ⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙ ⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙ ⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙

Uniform magnetic field directed out of your screen at you

Uniform magnetic field directed into the screen away from you

What does the following represent? ⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗ ⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗ ⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗⊗

Uniform magnetic field directed into the screen away from you

Uniform magnetic field directed out of your screen at you

Electromagnetism

Authored by Tammy McDaniel

Physics

10th - 11th Grade

NGSS covered

Used 23+ times

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40 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does attract mean?

to pull apart

to jump

to come together

to shop

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the force of attraction the strongest on a magnet?

at the poles

in the middle

above the magnet

below the magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when two bar magnets repel each other?

The poles of the magnets pull toward each other.

The poles of the magnets push away from each other.

The centers of the magnets pull toward each other.

The centers o the magnets push away from each other.

Tags

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will happen when these magnets are brought close together?

They will attract each other.

They will repel each other.

Both magnets will turn to the left

Both magnets will turn to the right

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

wire, iron, electric

electric, wire, iron

iron, electric, wire

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of magnet can be turned on and off?

refridgerator magnet

electromagnet

magnetite

iron

Tags

NGSS.MS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

the wire exolodes

you get electrocuted

the magnetic field becomes stronger

the magnetic field becomes weaker

Tags

NGSS.MS-PS2-3

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Electromagnetism

What does attract mean?

Where is the force of attraction the strongest on a magnet?

What happens when two bar magnets repel each other?

What will happen when these magnets are brought close together?

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

What kind of magnet can be turned on and off?

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

While electric current is flowing through a wire, what surrounds the wire?

How do you make an electromagnet?

How were we able to turn the electromagnet off?

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