कूलॉम नियम का सदिश रूप होता है
(A) `vec F=(1)/(4 pi epsilon_(0))*(q_(1)q_(2))/|vecr|^(3)vec r`
(B) `vec F=(1)/(4 pi epsilon_(0))*(q_(1)q_(2))/(|vecr|^(3)`
(C) `vec F=(1)/(4 pi epsilon_(0))*(q_(1)q_(2))/(r^(2))vec r`
(D) `vec F=(1)/(4 pi epsilon_(0))*(q_(1)q_(2))/(|vecr|^(2))vec r`