Question 1

What does electromagnet consist of?

Accepted Answer

Iron core, battery, conductor

Answer

magnet, coil wire, dry cell

Answer

electric current, metals, switch

Answer

Coil, battery, ball pen

Question 2

How can we increase the strength of the magnetic field of an electromagnet?

Accepted Answer

add more copper wire to coil

Answer

clip on the alligator clips

Answer

put more paper clips to pick up

Answer

expose to more light

Question 3

Which of the following serves as core of electric current in an electromagnet?

Accepted Answer

Iron nail

Answer

Copper Wire

Answer

Thumbtacks

Answer

Battery

Question 4

Which things at home would have electromagnet?

Accepted Answer

Electric Fan

Answer

Thumbtacks

Answer

Iron Nail

Answer

Gas Stove

Question 5

Which material should we use to construct an electromagnet?

Accepted Answer

Use a silver spoon as core

Answer

Use yarn as wire

Answer

Use a black crayon as core

Answer

Use abaca rope as wire

Question 6

What flows through the conductor or copper wire in an electromagnet?

Accepted Answer

Electric Current

Answer

Heat Energy

Answer

Static electricity

Answer

Light waves

Question 7

All of these help in strengthening the magnetic field of the electromagnet except one. Which one is it?

Accepted Answer

using chopsticks as iron core

Answer

placing a bigger iron nail as core

Answer

adding more dry cells as source

Answer

coiling more copper wire to the core

Question 8

What is a force of attraction or repulsion of magnetic materials due to the management of atoms?

Accepted Answer

Electromagnet

Answer

Electricity

Answer

Magnetism

Answer

Circuit

Question 9

The relationship between the strength of an electromagnet and the number of coils is directly proportional. This means that------

Accepted Answer

As the number of coil increases, the strength of the electromagnet increases.

Answer

As the number of coil decreases, the strength of electromagnet decreases

Answer

As the number of coil decreases, the strength of electromagnet is still the same

Answer

As the number of coil decreases, the strength of electromagnet increases.

Question 10

An electromagnet is surrounded by a coil of wire through which an electric current pass through. Which electromagnet can attract more pins?

Accepted Answer

https://uploads.quizalize.com/4a751be3-7fa9-4b6f-bdef-bb7fe094e4de/question/0e57559979edc6af5de3c2d42da41d69bfe1573d.PNG

Answer

https://uploads.quizalize.com/4a751be3-7fa9-4b6f-bdef-bb7fe094e4de/question/5962409f0167d7ce690706624c75f24aac0ab05d.PNG

Answer

https://uploads.quizalize.com/4a751be3-7fa9-4b6f-bdef-bb7fe094e4de/question/031553639170e339adfeaf67cee22b9ba63849b5.PNG

Answer

https://uploads.quizalize.com/4a751be3-7fa9-4b6f-bdef-bb7fe094e4de/question/e274febe9cecb33889a074cadbeda897d085da2c.PNG

Related quizzes

Related quizzes