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प्रश्न
Fill in the blank.
Magnetic poles always exist in ...............
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उत्तर
Magnetic poles always exist in pairs.
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संबंधित प्रश्न
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
What is a magnetic compass ? State its use.
Write true or false of the following statement.
Magnetic poles occur in pairs.
Answer the following in detail.
How can a magnet be demagnetized?
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:
Not attraction but repulsion is a sure test of magnetism.
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The strongest natural magnet is ______.
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| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
