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Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
Explain the meaning of the term magnetic field ?
Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
Define the following term regarding a bar magnet:
Effective length
How will you do this?
Explain that a magnet has a certain magnetic field.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
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Primary and secondary cell.
One of the following is an example for a permanent magnet.
Thamizh Dharaga and Sangamithirai were playing with a bar magnet. They put the magnet down and it broke into four pieces. How many poles will be there?
The magnetic poles always exist in pairs.
