TS EAMCET 19-July-2022 Shift 2 Solved Paper

Charge placed on the centre of cube,
q=6µC=6×10−6C
According to Gauss's law, total electric flux passing through cube, φ=q∕ε0
Since, there are 6 faces in cube. Hence, electric flux passing through each face,
φ1‌=‌

φ

6

‌=‌

q

6ε0

=‌

q

3 2π ×4πε0

‌=‌

2π

3

×q⋅‌

1

4πε0

=‌

2πq

3

×9×109
‌=‌

2π

3

×6×10−6×9×109
‌=36π×103N−m2∕C