Advertisements
Advertisements
Question
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
Advertisements
Solution
Soft iron is used for E and F.
APPEARS IN
RELATED QUESTIONS
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 |
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
Answer the following in detail.
Write a short note on the theory of magnetism.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
Fill in the blank.
The perpendicular bisector of the line joining the two poles of a magnet is called ...................
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
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.
Define the term Magnetic axis
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.
List out the uses of magnets.
