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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.
The magnetic field lines:
(a) intersect at right angles to one another
(b) interest at an angle 45° to each another
(c) do not cross one another
(d) cross at an angle of 60° to one anotherv
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
Explain the method of plotting the magnetic field lines by using a small compass needle.
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:
Nickel is a:
Define the agonic line.
Draw diagram showing the arrangement of the lines of force for a single magnet.
Magnetic field lines determine ______.
Can two magnetic lines of force intersect? Justify your answer:
