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Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
Select the correct alternative
A freely suspended magnet rests in
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
The alloys called ______ and ______ are used for making industrial magnets.
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 |
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
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.
Give scientific reason:
Soft iron is used to make electromagnets.
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
