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प्रश्न
Draw diagram showing the arrangement of the lines of force for two magnets in line, with unlike poles facing one another.
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उत्तर
Arrangement of lines of force for two magnets in line, with unlike poles facing one another: 
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संबंधित प्रश्न
Which of the following statements is incorrect regarding magnetic field lines?
(a) The direction of magnetic field at a point is taken to be the direction in which the north pole a magnetic compass needle points.
(b) Magnetic field lines are closed curves.
(c) If magnetic field lines are parallel and equidistant, they represent zero field strength.
(d) Relative strength of magnetic field is shown by the degree of closeness of the field lines.
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a step-up or step-down transformer?
What is a natural magnet? State two limitations of a natural magnet.
What is an artificial magnet? State two reasons why do we need artificial magnets .
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Explain the method of plotting the magnetic field lines by using a small compass needle.
Which substances are used for making electromagnets?
What are the properties of a magnet?
The magnetic field lines always begin from ____________.
