Question

ne is 47
8.
Show that surface of a sphere of radius a is 4ta2.​

Answer 1

et us complete the sphere. Electric field due to lower part at A is equal to electric field due to upper part at   B=E(given)

Electric field due to lower part at B=electric field due to full sphere-electric field due to upper part  

=  

(2R)  

2

 

kQ

​  

−E

=  

4πε  

0

​  

 

1

​  

 

4R  

2

 

ρ(4/3πR  

3

)

​  

−E

=  

12ε  

0

​  

 

ρR

​  

−E

Answer 2

Step-by-step explanation:

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