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How Will You Test Whether a Given Rod is a Magnet Or Not ? - Physics

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Short Note

How will you test whether a given rod is a magnet or not ?

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Solution

Aim— To test whether a given rod is a magnet or not.
Apparatus —

  1.  rod to be tested
  2.  a bar magnet
  3.  a stand
  4.  a thread

Procedure 

  1.  Suspend the rod to be tested with a thread on the stand.
  2.  Bring the bar magnet near the rod with its north pole towards the rod’s end.
  3.  Observe.

Inference — In every case, the magnet comes to rest in a north- south direction which shows its directive property.
Observation and Inference —
— If the rod is attracted towards the bar magnet, the rod may be magnet or not.
— But if the rod remains in the same direction of rest as in the start of the experiment, it show it is not a magnet.

Concept: Magnet and Its Characteristics
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APPEARS IN

Selina Concise Physics Class 7 ICSE
Chapter 7 Electricity and Magnetism
Short/Long Answer Questions | Q 2
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