Advertisements
Advertisements
प्रश्न
How will you test whether a given rod is made of iron or copper?
टिप्पणी लिखिए
Advertisements
उत्तर
Bring the rod near the magnet, iron rod will get attracted towards the magnet while copper will not.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
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 |
How will you test whether a given rod is a magnet or not ?
Write true or false of the following statement.
Magnetic poles occur in pairs.
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
When magnetic material is taken close to a magnet, the material acquires ______.
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 |
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 Magnetic axis
Magnets are used in _______ for generating electricity.
Define artificial magnet.
