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(chatquestion)...Let a total charge 20 be distributed in a sphere of radius R. with the charge density given by p(r)= kr, where r is the distance from the centre. Two charges A and B, of- Q each, are placed on diametrically opposite points, at equal distance a, from the centre. If A and B do not experience any force, then (Main 2019, 12 April II) 6. 3R (b) a = 2/4 (a) a = 8-1/4R (c) a = 2/4R (d) a = R / 3
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telegram-3407
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Jul 20, 2020
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