A spherical conductor of radius 10 cm has a charge of \[3.2\times {{10}^{7}}C\]distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere? [NEET 2020] \[\left( \frac{1}{4\pi {{\in }_{0}}}=9\times {{10}^{9}}N{{m}^{2}}/{{C}^{2}} \right)\]

A spherical conductor of radius 10 cm has a charge of \[3.2\times {{10

1.	A spherical conductor of radius 10 cm has a charge of \[3.2\times {{10}^{7}}C\]distributed uniformly. What is the magnitude of electric field at a point 15 cm from the centre of the sphere? [NEET 2020] \[\left( \frac{1}{4\pi {{\in }_{0}}}=9\times {{10}^{9}}N{{m}^{2}}/{{C}^{2}} \right)\]
A.	\[1.28\times {{10}^{5}}\,N/C\]
B.	\[1.28\times {{10}^{6}}\,N/C\]
C.	\[1.28\times {{10}^{7}}\,N/C\]
D.	\[1.28\times {{10}^{4}}\,N/C\]
Answer» B. \[1.28\times {{10}^{6}}\,N/C\]