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Need explanation for: In a uniformly charged sphere of total charge Q and radius R the electric field E is plotted as a function of distance from the centre. The graph which would correspond to the above will be :

In a uniformly charged sphere of total charge Q and radius R the electric field E is plotted as a function of distance from the centre. The graph which would correspond to the above will be :

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)

 
Answers (2)
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N neha

 

:    For uniformly charged sphere

As we discussed in

Graph - - wherein

 

The variation of  E   with distance  r   from the centre is as shown.

E= \frac{1}{4\pi \varepsilon _{0}}\frac{Qr}{R^{3}}\: \: \left ( For\: r< R \right )

E= \frac{1}{4\pi \varepsilon _{0}}\frac{Q}{R^{2}}\: \: \left ( For\: r= R \right )

E= \frac{1}{4\pi \varepsilon _{0}}\frac{Q}{r^{2}}\: \: \left ( For\: r> R \right )

 


Option 1)

Option 2)

Option 3)

Option 4)

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