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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
How will you test whether a given rod is made of iron or not?
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
Answer the following in detail.
How can a magnet be demagnetized?
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.

Name the metal used for E and F.
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What is the material of darkened part?
Define the term Effective length of a magnet
Match the following.
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What are the factors that determine the strength of the magnet?
The magnetic poles always exist in pairs.
