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प्रश्न
Sketch four magnetic field lines as obtained in a limited space on a horizontal plane in the earth's magnetic field alone.
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उत्तर
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संबंधित प्रश्न
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
Explain why, two magnetic field lines of not intersect each other.
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The direction of force acting on the electron beam will be:
to the left
to the right
into the page
out of the page
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an electrical charge moving perpendicular to its direction
an unmagnetised iron bar
a stationary electric charge
a magnet
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(b) 
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Indicate by crosses, the likely positions of the neutral points.
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
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