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Question
A short bar magnet has a magnetic moment of 0. 65 J T-1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8 cm from the centre of magnet on the axis is ______.
Options
2.5 × 10-4 T, along NS direction
2.5 × 10-4 T along SN direction
4.5 × 10-4 T, along NS direction
4.5 × 10-4 T, along SN direction
MCQ
Fill in the Blanks
Solution
A short bar magnet has a magnetic moment of 0. 65 J T-1, then the magnitude and direction of the magnetic field produced by the magnet at a distance 8 cm from the centre of magnet on the axis is 2.5 × 10-4 T along SN direction.
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Magnetic Field on the Axis of a Circular Current Loop
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