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1. Electric Charges and Fields
medium
A charge $Q\;\mu C$ is placed at the centre of a cube, the flux coming out from any surfaces will be
A
$\frac{Q}{8 \varepsilon_{0}}$
B
$\frac{Q}{24\varepsilon_{0}}$
C
$\frac{Q}{6 \varepsilon_{0}} \times 10^{-3}$
D
$\frac{Q}{6 \varepsilon_{0}} \times 10^{-6}$
(AIPMT-2001)
Solution
(d) Net flux through the cube ${\varphi _{net}} = \frac{Q}{{{\varepsilon _0}}};$ so flux through one face ${\varphi _{face}} = \frac{Q}{6 \varepsilon_{0}} \times 10^{-6}$
Standard 12
Physics
