A point charge +20μC is at a distance 6cm directly above the centre of a square of side 12cm as shown in figure. The magnitude of electric flux through the square is
2.5×106Nm2C−1
3.8×105Nm2C−1
2.9×106Nm2C−1
4.2×105Nm2C−1
A
3.8×105Nm2C−1
B
4.2×105Nm2C−1
C
2.5×106Nm2C−1
D
2.9×106Nm2C−1
Open in App
Solution
Verified by Toppr
From figure, it is clear that square ABCD is one of the six faces of a cube of side 12cm.
By Gauss's theorem, total electric flux through all the six faces of the cube qε0
∴ Electric flux through the square$
ϕ=16qε0=16×20×10−68.85×10−12=3.8×105Nm2C−1
Was this answer helpful?
14
Similar Questions
Q1
A point charge +20μC is at a distance 6cm directly above the centre of a square of side 12cm as shown in figure. The magnitude of electric flux through the square is
View Solution
Q2
A point charge of +12μC is at a distance 6cm vertically above the centre of a square of side 12cm as shown in figure. The magnitude of the electric flux through the square will be ×103Nm2/C
View Solution
Q3
A
point charge +10 μC is a distance 5 cm directly above the centre
of a square of side 10 cm, as shown in Fig. 1.34. What is the
magnitude of the electric flux through the square? (Hint:
Think of the square as one face of a
cube with edge 10 cm.)