Magnetism and Electrical Interaction

Magnetism and Electrical Interaction

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Lucas Foster

FREE Resource

The video tutorial demonstrates the interaction between a strong neodymium magnet and zinc. Initially, it is shown that zinc is not magnetic when directly touched by the magnet. However, when the magnet is moved around the zinc, an interesting phenomenon called the lens effect occurs. This effect induces a small electrical current in the zinc, creating a magnetic field that opposes the neodymium magnet, causing a repelling action. This demonstrates that while zinc itself is not magnetic, it can exhibit magnetic properties under certain conditions.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of magnet is used in the experiment?

Samarium-cobalt magnet

Alnico magnet

Neodymium magnet

Ceramic magnet

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result when zinc is touched to the neodymium magnet?

There is no interaction

Zinc becomes magnetized

Zinc is attracted to the magnet

Zinc repels the magnet

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What phenomenon occurs when the magnet is moved over zinc?

Ampere's law

Faraday's law

Lenz effect

Coulomb's law

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is set up when the magnet is moved over zinc?

A gravitational field

An electrical current

A sound wave

A thermal field

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the electrical current create in the zinc?

A sound wave

A magnetic field

A gravitational field

A thermal field

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the magnetic field from the electrical current interact with the neodymium magnet?

It has no effect

It opposes the magnet

It enhances the magnet's field

It attracts the magnet

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the interaction between the magnetic fields?

The zinc becomes magnetized

The zinc remains stationary

The zinc repels the magnet

The zinc is attracted to the magnet

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