Electromagnetism, Motors, and Generators

Electromagnetism, Motors, and Generators

Assessment

Flashcard

Science

7th - 9th 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 initial energy transformation in an electrical generator?

Back

The initial energy transformation in an electrical generator is from mechanical energy to electrical energy.

2.

FLASHCARD QUESTION

Front

How does steam produce electricity in a turbine generator?

Back

Steam is used to spin the turbine generators, which in turn generates electricity.

3.

FLASHCARD QUESTION

Front

What components are needed to create an electromagnet?

Back

An electromagnet is created using a battery, an iron rod, and wire.

4.

FLASHCARD QUESTION

Front

What is the role of a spinning turbine in a generator?

Back

In a generator, a spinning turbine moves magnets which generates an electric current.

5.

FLASHCARD QUESTION

Front

What effect does adding more coils have on the strength of an electromagnet?

Back

The strength of the electromagnet increases as more coils are added around it.

6.

FLASHCARD QUESTION

Front

Define electromagnetism.

Back

Electromagnetism is the branch of physics that deals with the interaction between electric fields and magnetic fields.

7.

FLASHCARD QUESTION

Front

What is the principle behind how a generator works?

Back

A generator works on the principle of electromagnetic induction, where a changing magnetic field induces an electric current.

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