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3 Cards in this Set
- Front
- Back
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Magnetic Field |
The space around a magner in which any other magnet or certain metals experience a force. It is represented graphically by lines of force. thesess lines also represent the nature and extent of the field. |
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Electromagnetism |
The relation between magnetism and electricity. |
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Electromagnet. |
It is a magnet in which magnetism is produced due to the flow of electric current through a wire wrapped around it. It can be switched off by stopping the flow of electricity through it. An electromagnet is a temporary, powerful magnet. They are useful for the following - -They can be made to give very strong magnetic effects -The strength of an electromagnet can be changed by changing the size of a current. -It can be switched on and off by turning on or turning off the current. |
