Questions
Charges are placed on the vertices of a square as shown. Let be the electric field and V the potential at the centre. If the charges on A and B are interchanged with those D on D and C respectively, then
detailed solution
Correct option is C
V remains unchanged. Because with the change in position of charges, distances AO→,BO,CO and DO remains same. The direction of E changes.Talk to our academic expert!
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Four equal charges Q are placed at the four comers of a square of each side is 'a'. Work done in removing a charge -Q from its centre to infinity is
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