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प्रश्न
Tick the most appropriate answer.
The surest test of magnetism is
विकल्प
attraction
repulsion
diffusion
hammering
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उत्तर
repulsion
संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
Write true or false of the following statement.
Copper cannot be magnetised.
Answer the following in detail.
Write a short note on the theory of magnetism.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
How will you do this?
Determine whether a material is magnetic or non-magnetic.
How will you do this?
Explain that a magnet has a certain magnetic field.
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
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.
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
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.
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
A magnet attracts ______.
Magnets are used in _______ for generating electricity.
Which is not attracted by a magnet?
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
The magnetic poles always exist in pairs.
