First slide

Electric flux

Question

A cube of side 10 cm encloses a charge of $0.1 μ C$ at its centre. Calculate the number of lines of force through each face of the cube

NA

Solution

no. of lines of force through each face of cube $= \frac{q}{6 \in_{0}}$
$= \frac{0.1 \times 10^{- 6}}{6 \times 8.85 \times 10^{- 12}} = 1883$

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