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Question
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 |
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Solution
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | No action |
| Soft iron rod | attracted | attracted |
| North pole of a bar magnet | repelled | attracted |
| South pole of a bar magnet | attracted | repelled |
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RELATED QUESTIONS
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 |
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Answer the following in short.
What is a magnet? Differentiate between natural and artificial magnets.
Define the following term regarding a bar magnet:
Magnetic field
Which magnet will you use?
You are lost in a forest.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
Define the term Effective length of a magnet
What is a natural magnet?
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
