A point charge q is placed at a distance frac{a}{2} directly above centre of a square of

English

Gujarati

Hindi

1. Electric Charges and Fields

normal

A point charge $q$ is placed at a distance $\frac{a}{2}$ directly above the centre of a square of side $a$ . The electric flux through the square is

A

$\frac{q}{\in_0}$

B

$\frac{q}{\pi \,\in_0}$

C

$\frac{q}{4\, \in_0}$

D

$\frac{q}{6 \,\in_0}$

Solution

Standard 12

Physics

Share

Similar Questions

Two point charges $+q$ and $-q$ are held fixed at $(-d, 0)$ and $(d, 0)$ respectively of a $x -y$ coordinate system. Then

normal

Electrostatic field of a long uniformly charged wire varies with distance $(r)$ according to relation

normal

A parallel plate capacitor is charged to a potential difference of $100\,V$ and disconnected from the source of $emf$. A slab of dielectric is then inserted between the plates. Which of the following three quantities change?

$(i)$ The potential difference $(ii)$ The capacitance $(iii)$ The charge on the plates

normal

If potential at centre of uniformaly charged ring is $V_0$ then electric field at its centre will be (assume radius $=R$ )

normal

Find capacitance across $AB$

normal