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संबंधित प्रश्न
What are the two ways in which you can trace the magnetic field pattern of a bar magnet?
Explain what you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet?
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
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.
Insert two magnetic field lines on either side of the magnet using arrow head to show the direction of each field line.
Define the Isogonic line.
State briefly the molecular theory of magnetism.
Name the poles P, Q, Rand S of the magnets in the following figures 'a' and 'b':
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| Figure 'a' | Figure 'b' |
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)
