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The method of magnetisation is:

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The method of magnetisation is:

A).  Hammering a magnet

B).  Heating a magnet

C).  Passing direct current through it

D).  Passing alternating current through it


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Answered by on | Votes 0 |

 Hammering a magnet



Hammering a rod will either allow it to become slightly magnetic if laid along a magnetic field (i.e.North - South) or demagnetise it if laid across the field lines (i.e. East-West). A current passing through a coil will produce a magnetic field.

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