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Match the following
| Column A | Column B |
| A) Steel | 1) to store magnets |
| B) Soft iron | 2) temporary magnet |
| C) Use in electric bell | 3) permanent magnet |
| D) Magnetic keepers | 4) electromagnet |
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Define the following term regarding a bar magnet:
Magnetic equator
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
Define the following term:
Angle of dip
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
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 electromagnet.
