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A thin spherical shell of radius R has  charge Q spread uniformly over its surface. Which of the following graphs most closely represents the electric fieldE (r) produced by the shell in the range  0\leq r< \infty   where  r   is the distance from the centre of the shell?

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 

Answers (2)

best_answer

As we learnt in

Inside the sphere (P lies inside the sphere) -

E_{in}=0

V_{in}=constant

- wherein

 

 

 

The electric field for a uniformly charged spherical shell is given in the figure. Inside the shell, the field is zero and it is maximum at the surface and then decreases

E\propto \: 1/r^{2}

E= \frac{Q}{4\pi \varepsilon _{0}\cdot r^{2}}   outside shell and zero inside.


Option 1)

Incorrect

Option 2)

Correct

Option 3)

Incorrect

Option 4)

Incorrect

Posted by

divya.saini

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