Magnetic Field Due to a Circular Arc at the Centre
The magnitude...
Question
The magnitude of the equatorial magnetic field due to a bar magnet of length 2cm at a distance of 1m from its mid-point is (magnetic moment of the bar magnet is 0.60Am2)
A
5.0×10−5T
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B
6.0×10−8T
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C
7.0×10−7T
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D
8.0×10−8T
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Solution
The correct option is A6.0×10−8T The magnetic field of the equatorial point is