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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw a diagram to show the magnetic field lines around a bar magnet.
What is a magnetic field? How can the direction of magnetic field lines at a place be determined?
Explain the following :
Several soft iron pins can cling, one below the other, from the pole of a magnet.
In following figure, draw at least two magnetic field lines between the two magnets.
(b) 
A battery can supply a charge of 25 × 104 C. If the current is drawn from battery at the rate of 2.5 A, calculate the time in which battery will discharge completely.
Select the correct option:
A bar magnet is rubbed on a bar of steel along its length 20 times. The bar of steel gets magnetised due to the process of:
Draw diagram showing the arrangement of the lines of force for a single magnet.
Complete the following diagram of magnets to show the lines of force.
The relation between weber and Tesla is ______.
The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
