Advertisements
Advertisements
प्रश्न
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
विकल्प
attract each other
repel each other
neither attract nor repel each other
None of the above
Advertisements
उत्तर
The south pole of a bar magnet and the north pole of a U-shaped magnet will attract each other.
APPEARS IN
संबंधित प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Give a reason for the following.
Iron is a magnetic substance.
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ______ bar magnets are formed, and a total of _____ poles are formed.
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 |
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
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.
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.
