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| style="height:20px; width:200px; text-align:center;" |'''Disadvantages of an Electromagnet over a Bar Magnet'''

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Changing the [[Electrical Current|current]] can change the strength of an [[electromagnet]].

The direction of the [[Magnetic Field|magnetic field]] can be changed in an [[electromagnet]] by changing the direction of the [[Electrical Current|current]].

[[Electromagnet]]s require a source of power to work.

[[Electromagnet]]s increase in [[temperature]] as they are used.

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