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1. Electric Charges and Fields
medium
Consider $a$ uniformly charged hemispherical shell of radius $R$ and charge $Q$ . If field at point $A (0, 0, -z_0)$ is $ \vec E$ then field at point $(0, 0, z_0)$ is $[z_0 < R]$

A
$ - \vec E$
B
$ - \vec E\, + \,\frac{{KQ}}{{{z_0}}}\hat k$
C
$+ \vec E$
D
None of these
Solution

Standard 12
Physics