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प्रश्न
Define the term Effective length of a magnet
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उत्तर
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संबंधित प्रश्न
What is a magnet?
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
State if the following statement is true or false. Correct the statement if it is false.
Whenever a magnet is not in use, it should be stored along with other magnets.
How will you do this?
Explain that a magnet has a certain magnetic field.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
Define the term Magnetic axis
One of the following is an example for a permanent magnet.
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
The magnetic poles always exist in pairs.
