Advertisements
Advertisements
प्रश्न
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
Advertisements
उत्तर
No, because like poles repel each other when two magnetic are brought close to each other.
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 |
Select the correct alternative
A freely suspended magnet rests in
State three important uses of a magnet.
If a bar magnet is hung by a thread tied at its center, its north pole becomes steady in the direction of the ______ Pole of the earth.
If a magnet attracts a piece of metal, that piece must be made of ______.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
What do you understand by the term magnetic declination?
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
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.
