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प्रश्न
What is a magnetic field? How can the direction of magnetic field lines at a place be determined?
उत्तर
Magnetic field is defined as the space surrounding a magnet in which magnetic force is exerted.
The direction of magnetic field lines at a place can be determined by finding the direction of magnetic force on the north pole of the magnet.
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| Figure 'a' | Figure 'b' |
