Question

A point charge +q is placed at a distance ‘r’ from centre of a thin spherical shell of radius R(< r). The electric field at point ‘M’ (as shown) at a distance ‘x’ from ‘q’ due to induced charges is

• A. $\frac{Kq}{x^2}$
• B. $\frac{Kq}{r^2}$
• C. Zero
  
• D. $\frac{Kq}{r^2}-\frac{Kq}{x^2}$

Answer 1

The correct option is C Zero


Net electric field inside the shell is zero.
Sum of $\overrightarrow{E}$ due to +q and field due to induced charges is zero.