Advertisements
Advertisements
प्रश्न
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
Advertisements
उत्तर
It is not advisable to slide a magnet on an iron bar back and forth because moving it in opposite directions will work to cancel each other out.
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
“Poles exist in pair”. Comment on this statement ?
Write true or false of the following statement.
Magnetic poles occur in pairs.
Draw diagrams of the artificial magnets of four different shapes?
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
Define the following term:
Geographic meridian
An object that is attracted by magnet.
