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प्रश्न
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उत्तर
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संबंधित प्रश्न
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain the method of plotting the magnetic field lines by using a small compass needle.
What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?
Define the isoclinic line.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
The magnetic field is the strongest at ____________.
A charge moving in a magnetic field, in a direction other than the direction of the magnetic field, experiences a force. It is called the ______ force.
