When the flow electricity turns metal into a temporary magnet, it is called, a Natural magnet, an Electromagnet, a Non magnetic substance, The core (center) of the wire coils used in the electromagnet is made of ……., Aluminium, iron, Copper, The magnetic force of the electromagnet will be LOST by ……, turning ON the electricity, Increasing the number of batteries, turning OFF the electricity, All the following devices have an electromagnet inside them except the ……., Electric bell, Magnetic Levitation Trains, Computers, Refrigerator, The magnetic force of the electromagnet increases by ……, Increasing the number of coils, Increasing the size of the paperclips picked up, Increasing the distance between the wire and nail, Electromagnets can be used for..., having fun, moving heavy things, keeping a train attached to the track, Electromagnets get stronger with more coils on the wire because each coil makes..., a weaker magnet, a compass, its own magnetic field, What is NOT needed to make an electromagnet?, a magnet, a wire, a battery or power source, a nail or iron core, Adding more batteries or voltage will make an electromagnet, weaker, the same, stronger, Adding a larger nail or iron core will make the electromagnet, weaker, the same, stronger
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Electromagnets
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Frankbeddick
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