A conducting sphere of radius \[R=20\]cm is given a charge \[Q=16\mu C\]. What is \[\overrightarrow{E}\] at centre [BHU 2003]

• A.            \[3.6\times {{10}^{6}}N/C\]
• B.                                      \[1.8\times {{10}^{6}}N/C\]
• C.            Zero                                         
• D.            \[0.9\times {{10}^{6}}N/C\]