Six charges of equal magnitude, 3 positive and 3 negative are to be placed on PQRSTU corners of a regular hexagon, such that field at the centre is double that of what it would have been if only one +ve charge is placed at R (A) +, +, +, -, -, - (B) -, +, +, +, -, - (C) -, +, +, -, +, - (D) +, -, +, -, +, -
aditya kashyap , 11 Years ago
Grade upto college level