1.

A and V are semi - spherical surfaces of radius r_(1)and r_(2) (r_(1) lt r_(2)) with E_(1) and E_(2) as the electric fields a the their surfaces. Charge q_(0) is placed as shown. What is the condition which may be statisfied ?

Answer»

`phi_(1)/phi_(2)=1`
`r_(1)^(2)r_(1)^(2)=E_(1)E_(2)`
`(r_(1))/(sqrtE_(2))= (r_(2))/(sqrtE_(2))`
`r_(1)sqrtE_(2)=r_(2)sqrtE_(1)`

ANSWER :a,c


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