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संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
Fill in the blank.
Magnetic poles always exist in ...............
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
How will you do this?
Determine whether a material is magnetic or non-magnetic.
How will you do this?
Find the north pole of a magnet.
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
Draw the magnetic flux pattern near a bar magnet placed with its axis in the magnetic meridian and the south pole pointing towards geographic north.
Write a short note on lighting conductors.
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
