This question has Statement-1 and Statement-2.

Question:

This question has Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements.

An insulating solid sphere of radius $\mathrm{R}$ has a uniformaly positive charge density $\rho$. As a result of this uniform charge distribution there is a finite value of electric potential at the centre of the sphere, at the surface of the sphre and also at a point out side the sphere. The electric potential at infinity is zero.

Statement-1: When a charge ' $q$ ' is taken from the centre to the surface of the sphere, its potential energy changes by $\frac{\mathrm{q} \rho}{3 \epsilon_{0}}$

Statement-2 : The electric field at a distance $r(r

  1. Statement-1 is true, Statement-2 is true and Statement-2 is the correct explanation of Statement-1.

  2.  Statement-1 is true, Statement-2 is true and Statement-2 is not the correct explanation of statement-1.

  3. Statement-1 is true, Statement-2 is false

  4. Statement-1 is false, Statement-2 is true


Correct Option: , 4

Solution:

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