Electromagnets

Electromagnets

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that can be turned on and off by controlling the electric current flowing through it.

2.

FLASHCARD QUESTION

Front

What is the main component that powers an electromagnet?

Back

A battery provides the power source for the electromagnet.

3.

FLASHCARD QUESTION

Front

What is required to create an electromagnet?

Back

An electric current must pass through a coil of wire wrapped around an iron core.

4.

FLASHCARD QUESTION

Front

What materials are typically used to make an electromagnet?

Back

Common components of an electromagnet include a battery, copper wire, and an iron nail.

5.

FLASHCARD QUESTION

Front

How does moving a magnet affect electricity?

Back

Moving a magnet can induce electricity in a nearby conductor, such as a coil of wire.

6.

FLASHCARD QUESTION

Front

What is the role of the iron core in an electromagnet?

Back

The iron core enhances the magnetic field created by the electric current, making the electromagnet stronger.

7.

FLASHCARD QUESTION

Front

Can an electromagnet be used to lift heavy objects?

Back

Yes, electromagnets can lift heavy objects when powered, as they generate a strong magnetic field.

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