1.

If you carry out an experiment to find the pattern of magnetic field lines due to a bar magnet using iron filings, you’ll find that the filings arrange themselves in nearly concentric circles with spaces between them. What is the reason for this spacing between them? Doesn’t magnetic field exist in the region between them?

Answer» If you carry out an experiment to find the pattern of magnetic field lines due to a bar
magnet using iron filings, you’ll find that the filings arrange themselves in nearly concentric circles
with spaces between them. What is the reason for this spacing between them? Doesn’t magnetic field
exist in the region between them?


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