Two identical non-conducting thin hemispherical shells each of radius $R$ are brought in contact to make a complete sphere . If a total charge $Q$ is uniformly distributed on them, how much minimum force $F$ will be required to hold them together
Two identical non-conducting thin hemispherical shells each of radius $R$ are brought in contact to make a complete sphere . If a total charge $Q$ is uniformly distributed on them, how much minimum force $F$ will be required to hold them together
- A
$F = \frac{{{Q^2}}}{{16\pi {\varepsilon _0}{R^2}}}$
- B
$F = \frac{{{Q^2}}}{{32\pi {\varepsilon _0}{R^2}}}$
- C
$F = \frac{{{Q^2}}}{{64\pi {\varepsilon _0}{R^2}}}$
- D
$\frac{{{Q^2}}}{{32\pi {\varepsilon _0}{R^2}}} >F> \frac{{{Q^2}}}{{64\pi {\varepsilon _0}{R^2}}}$
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