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प्रश्न
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उत्तर
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संबंधित प्रश्न
Explain why iron filings which are sprinkled on a sheet of cardboard placed over a bar magnet take up a definite pattern when cardboard is slightly tapped.
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
A dry cell can supply a charge of 800 C. If continuous current of 8.0 mA is drawn, calculate the time in which cells will discharge completely.
Define the Isogonic line.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
State briefly the molecular theory of magnetism.
Inside the magnet, the field lines moves ____________.
A circular loop placed in a plane perpendicular to the plane of paper carries a current when the key is ON. The current as seen from points A and B (in the plane of paper and on the axis of the coil) is anti clockwise and clockwise respectively. The magnetic field lines point from B to A. The N-pole of the resultant magnet is on the face close to
Magnetic lines of force never ______ each other.
