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1. Electric Charges and Fields
normal
A point charge $+Q$ is positioned at the centren of the base of a square pyramid as shown. The flux through one of the four identical upper faces of the pyramid is
A
$\frac{Q}{{16{\varepsilon _0}}}$
B
$\frac{Q}{{4{\varepsilon _0}}}$
C
$\frac{Q}{{8{\varepsilon _0}}}$
D
None of these
Solution
Flux going in pyramid $=\frac{Q}{2 \varepsilon_{0}}$
Which is divided equally among all $4$ faces
$\therefore $ Flux through one face $=\frac{Q}{8 \varepsilon_{0}}$
Standard 12
Physics
