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A magnetic field is induced by pushing current though a wire; so you could consider a straight wire an electromagnet. Using more coils will strenghten the electromagnet, though, so a straight wire version will be very weak comparitively.

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15y ago

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True or false The device that turns a needle in a galvanometer is called an electromagnet.?

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Which of the following statement about electromagnets is true?

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What is the strength of an electromagnet proportional to?

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Strong temporary magnet formed when a current is passed through a coil of wire?

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What type of magnet is created when electric current flows through a coil wire?

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Is it true that The strength of an electromagnet is easy to control?

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