miagolfer miagolfer

24-05-2017
Biology

contestada

An advantage of using an electromagnet, instead of a regular magnet to move cars in a junk yard is then an electromagnet can easily be turned on and off. True or False. Is it false? ive already posted this question once, but I got one person that thought it was true, and one thought I was correct with false. which is it?

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jaronrussell19 jaronrussell19

24-05-2017

The correct answer is false. An electromagnet can be turned on and off, allowing it to pick up and drop cars in a junk yard.

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