Electromagnet Flashcard

Electromagnet Flashcard

Assessment

Flashcard

Science

8th Grade

Hard

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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 in which the magnetic field is produced by an electric current.

2.

FLASHCARD QUESTION

Front

Can electromagnets be turned on and off?

Back

Yes, electromagnets can be turned on and off by controlling the electric current.

3.

FLASHCARD QUESTION

Front

Who discovered electromagnetism?

Back

Hans Christian Orsted discovered electromagnetism.

4.

FLASHCARD QUESTION

Front

What is the relationship between electricity and magnetism called?

Back

The relationship is called electromagnetism.

5.

FLASHCARD QUESTION

Front

Do electromagnets require a power source?

Back

Yes, electromagnets need a power source to generate a magnetic field.

6.

FLASHCARD QUESTION

Front

How does shaping a wire into a loop affect the strength of the magnetic field?

Back

Shaping a wire into a loop can increase the strength of the magnetic field within the loop.

7.

FLASHCARD QUESTION

Front

What is the principle behind the operation of an electromagnet?

Back

The principle is that an electric current flowing through a wire generates a magnetic field around it.

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