PDF chapter test TRY NOW
Experimental set-up
- Take a steel glass.
- Take a needle through which thread is passed.
- Press the thread with a finger near the hole of the needle as shown in the figure and raise the glass upward slowly.
What happens? Observe the same activity performed by your teacher and note it.
Does the needle stand vertically up without touching the glass? Why this happens?
, it is seen that the needle is in the air without any support. It shows the property of magnetic materials.
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