Question #129238

Which of the following is the main characteristic of electromagnets that makes them useful in cranes and doorbells?

Options:

A) They are very strong

B) They are permanent

C) They can be switched on and off

D) They are very heavy

Tags: General Science General

Answer: Which of the following is the main characteristic of electromagnets that makes them useful in cranes and doorbells They can be switched on and off.

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Question #129238

Which of the following is the main characteristic of electromagnets that makes them useful in cranes and doorbells?

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Question #129238

Which of the following is the main characteristic of electromagnets that makes them useful in cranes and doorbells?

Options:

Science Related Questions

Category

Test Your Knowledge

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