Magnet Quiz

Magnet Quiz

KG - University

9 Qs

quiz-placeholder

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Magnet Quiz

Magnet Quiz

Assessment

Quiz

Physics

KG - University

Hard

Used 43+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a permanent magnet?
The permanent magnet has its own magnetic field.
A permanent magnet doesnt have its own magnetic field.
A permanent magnet never repels.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an induced magnet?
An induced magnet can produce its own magnetism.
An induced magnet has aligned spins.
An induced magnet becomes a magnet when it is placed in the magnetic field of a permanent magnet.
The induced magnet is an electoric thingy.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you find if both magnets are permanent?
If there is no repulsion between the 2 magnets.
If there is repulsion between the 2 magnets.
If it attracts to each other.
By picking up magnetic materials such as iron nails.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three magnetic materials?
Nickel, Einsteinium and pottasium
Iron, magnesium and aluminium
Tungsten, cobalt and nickel
Iron, cobalt and nickel

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name AN advantage of an electromagnet....
They generate an electromagentic field which may disrupt other electronic devices.
They require a lot of electricity to heat up so that it works.
It can be switch on and off.
The electromagnet is cool.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is true about solenoids?
Solenoids are permanent magnets.
The field around a solenoid has the shape as a bar magnet.
the part inside the coils is the weakest

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can happen if you place a compass near a strong magnet?
It will point at north forever.
The compass will stay normal as usual.
The compass will point at a wrong direction.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of a relay switch?
The relay switch can switch on and off.
The relay switch controls a high current circuit
The relay switch controls the electric bell.

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the striker in the electric bell?
It controls the whole circuit.
It strikes the electric magnet to work.
it strikes the bell to make a sound