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प्रश्न
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
पर्याय
True
False
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उत्तर
This statement is False.
Correct statement:
Maximum iron filings stick in the poles of a bar magnet when it is brought near them.
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संबंधित प्रश्न
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Name four appliances which work using electricity ?
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Define the following term regarding a bar magnet:
Magnetic axis
Write the answer in your word.
What are the practical uses of a magnet?
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 |
Define the term Poles of a magnet
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
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.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
Match the following:
| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
Define the terms magnet and magnetism.
