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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
You are given a magnet. How will you use it to find north-south direction at a place?
Define the following term regarding a bar magnet:
Magnetic equator
How will you do this?
Determine whether a material is magnetic or non-magnetic.
The alloys called ______ and ______ are used for making industrial magnets.
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?
What do you understand by the term magnetic declination?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
