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JEE Main 2025 (Online) 28th January Evening Shift
MCQ (More than One Correct Answer)
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A bar magnet has total length $2 l=20$ units and the field point P is at a distance $\mathrm{d}=10$ 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 :
Questions Asked from Magnetic Properties of Matter (MCQ (Multiple Correct Answer))
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