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Grade: 12

                        

the capacitance of a spherical capacitor is 1 microfarad . If the space between the spheres is 1mm , the radius of the outer sphere is

2 years ago

Answers : (1)

Arun
24742 Points
							
Dear Madhu
 
 
C=4pi*epsilon      1
      (1/ri)-(1/ro)
ATQ-   ro-ri=0.001m ,C=0.000001F      2
putting 2 in 1
therefore ro^2 -ro(0.001) -(9*1000000000*0.000000001) = 0
therefore ro = 3 metres(approx)
 
 
Regards
Arun
2 years ago
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