Advertisements
Advertisements
प्रश्न
What is an artificial magnet? Why do we need artificial magnets?
टिप्पणी लिखिए
Advertisements
उत्तर
Artificial magnets are the magnets which are formed by bringing the natural magnet near it The artificial magnets have high retentivity means they remain magnetized for a long period of time and that is why they are used for making strong electromagnets.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
How will you test whether a given rod is a magnet or not ?
How will you test whether a given rod is made of iron or not?
If a magnet attracts a piece of metal, that piece must be made of ______.
Select the correct option:
The place around a magnet where its influence can be detected is called:
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 |
What is a neutral point?
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
State the laws of magnetism.
One of the following is an example for a permanent magnet.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
