The electric field at a distance 3R/2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance R/2 from the centre of the sphere is ?

The electric field at a distance 3R/2 from the centre of a charged conducting spherical shell of radius R is E. The electric field at a distance R/2 from the centre of the  sphere is ?

(a) \( \frac{E}{2} \)

(b) \( 0 \)

(c) \( E \)

(d) \( \frac{E}{2} \)

Answer :  (b) \( 0 \)