Electromagnet
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Topics of this game:
- There is a relation between magnetism and electricity
- when the compass is put beside a wire carrying an electric current ...................
- Magnetism can be generated by ...........
- the magnet which is made by the effect of electricity is called .....................
- magnetic effect of the electric current can be detected by using ................
- the idea of operating the electromagnet is the changing of ....................
- the bar use in the electromagnet is made up of ...................
- the magnetic force of the electromagnet will be lost by ..................
- the magnetic force of the electromagnet increases by ..................
- all the following devices have an electromagnet inside them except the ................
- when an electric current passes through a coil twisted around a wrought iron bar, the wrought iron bar becomes a .............. magnet.
- the electromagnet is hung in ............. to lift heavy iron blocks.
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