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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Debanjana Adhikari posted an Question
June 02, 2020 • 17:42 pm
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30 points
30 points
- CSIR NET
- Physical Sciences
The charge per unit length of a circular wire of radius a in the xy-plane, with its centre at the origin, is ^ =/, cos , where is a constant and the angle 0 is
The charge per unit length of a circular wire of radius a in the xy-plane, with its centre at the origin, is ^ =/, COs , where is a constant and the angle 0 is measured from the positive x-axis. The electric field at the centre of the circle is (a) E= (c) E 4E Q82. () 4E (b) E=_ 4 E k 4T E (d) E =- Ans. : (a) Solution: At centre O, direction of field is -f. So best option is (a) TO
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Chandra prakash
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