Magnets and Electromagnets
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Magnetism | The force of attraction or repulsion between two magnetic objects.
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| Domain | A microscopic magnetic region composed of a group of atoms whose magnetic fields are aligned.
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| Motor | A device that uses induction to convert electrical energy to mechanical energy.
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| Generator | A device that uses induction to convert mechanical energy to electrical energy.
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| Transformer | A device that changes one AC potential difference (voltage) to a different AC potential difference (voltage).
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| Electromagnet | A magnet that is created by passing an electric current through a coil of wire.
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| Magnetic Field | A region in which a magnetic force can be detected.
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| Solenoid | A coil of wire that acts like a magnet when a current passes through it.
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| Induction | A current created by the motion of a magnetic field through a coil.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
stamback
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