Q11: A conducting solid sphere of radius R and net charge x10°)²= 5.76 x 10. Q+2Q is concentric with a thin conducting spherical shell of radius a as shown in the figure. If the charge on the shell is Q2-2Q, then the electric potential at point "A" outside the conducting shell at r-2a is: 5-76x107-2190) a g= 6.4nc Conducting thin shell with net charge Qa Conducting sphere with net charge Q A) kQ/2a (B) -kQ/2a (C) Zero (D) -kQ/a (E) -2kQ la The auivalent C