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763 Points
3 years ago
We know that  , E. dl = qino
q is the total charge present in given volume which can be calculated by , q =( 0R/2∫ A . r2)  x PiR   => Q = AR3/24  x PiR
now , E . PiR = AR3/24ɛo . PiR => E = AR3/24ɛ
Hence , (3) is the correct option ...
Parth Verma
49 Points
3 years ago
actually respected Mr. Adarsh, answer in the book is given AR3/40(E0). So whether its wrong?
Gitanjali Rout
184 Points
2 years ago

e know that  , E. dl = qino
q is the total charge present in given volume which can be calculated by , q =( 0R/2∫ A . r2)  x PiR   => Q = AR3/24  x PiR
now , E . PiR = AR3/24ɛo . PiR => E = AR3/24ɛ
Hence , (3) is the correct option … fjhg
Forum Team
94 Points
2 years ago

Gitanjali, please stop copy pasting answers posted by other users. You will not be rewarded for these points and your account will be blocked due to this activity as it is against forum guidelines. Please check the guidelines here – Forum point Policy – https://www.askiitians.com/forum-point-policy/

Thanks
Forum Team