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प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
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उत्तर
To light a table lamp and to run a refrigerator, we use mains as the source of electricity.
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संबंधित प्रश्न
State three important uses of a magnet.
Give a reason for the following.
Iron is a magnetic substance.
How will you do this?
Find the north pole of a magnet.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
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.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
