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Physics Unit 9 - Magnetism and Modern Physics (Practice)

Physics Unit 9 - Magnetism and Modern Physics (Practice)

Assessment

Flashcard

Physics

10th 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 the primary process that generates energy in stars like the sun?

Back

Fusion reactions.

2.

FLASHCARD QUESTION

Front

What is a coil of wire with a soft iron core that acts as a magnet when an electric current flows through it?

Back

Electromagnet.

3.

FLASHCARD QUESTION

Front

What device converts electrical energy into mechanical energy?

Back

Electric motor.

4.

FLASHCARD QUESTION

Front

True or False: The north pole of a magnet is attracted to the north pole of another magnet.

Back

False.

5.

FLASHCARD QUESTION

Front

Why do power companies prefer to transmit electricity using AC power instead of DC power?

Back

AC power can travel over longer distances.

6.

FLASHCARD QUESTION

Front

What is the term for materials that can be magnetized easily and retain their magnetism?

Back

Ferromagnets.

7.

FLASHCARD QUESTION

Front

What is the difference between AC and DC power?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.

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