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a thin metallic shell contains a charge Q on it .. a point charge q is placed outside it … all the three charges are positive … force on charge at centre is - (a) toward left (b) toward right (c)upward (d) zero

a thin metallic shell contains  a charge Q on it .. a point charge q is placed outside it … all the three charges are positive … force on charge at centre is -
(a) toward left
(b) toward right
(c)upward
(d) zero

Grade:12

2 Answers

Shubham Singh
199 Points
6 years ago
where is the third charge?
Shubham Singh
199 Points
6 years ago
if the charge is at centre of shell, then force is zero as there is no electric field inside the shell due to charge on shell or the charge outside.

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