A point charge +10 is a distance 5 cm directly above the centre of a square of side 10 cm, as shown in Figure. What is the magnitude of the electric flux through the square?
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Given data,
q= 10 μC
side of the square=10cm
We can consider square as one of the side of a cube
According to Gauss’s theorem for a cube, total electric flux is through all its six faces.
Electric Flux through one face of the cube can be formulated as,
1/6*q/ Eo
where Eo=Permitivity of the free space
on substituting the data in the above formula,we get
Electric flux=1.88*10^5 N m^2/C
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