Question
Download Solution PDFA bar magnet has total length 2l = 20 units and the field point P is at a distance d = 10 units from the centre of the magnet. If the relative uncertainty of length measurement is 1%, then uncertainty of the magnetic field at point P is :
Answer (Detailed Solution Below)
Option 3 : 3%
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Detailed Solution
Download Solution PDFCalculation:
Without considering uncentainity in ℓ.
% uncertainity in B = 3%