Four charges of $1\  \mu C, 2\  \mu C, 3\  \mu C,$ and $- 6\ \mu C$ are placed one at each corner of the square of side $1\,m$. The square lies in the $x-y$ plane with its centre at the origin.
  • A
    The electric potential is zero at the origin.
  • BThe electric potential is zero everywhere along the $x-$axis only of the sides of the square are parallel to $x $ and $y$ axis.
  • CThe electric potential is zero everywhere along the $z-$axis for any orientation of the square in the $x- y$ plane.
  • D$A$ and $C$ both
Diffcult
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    The plates of a parallel plate capacitor with no dielectric are connected to a voltage source. Now a dielectric of dielectric constant $K $ is inserted to fill the whole space between the plates with voltage source remaining connected to the capacitor.
    View Solution
  • 2
    A parallel plate capacitor has capacitance $C$ . If charges of the plates are $Q$ and $-3Q$ , find the potential difference between the plates
    View Solution
  • 3
    Two capacitors, each having capacitance $40\,\mu F$ are connected in series. The space between one of the capacitors is filled with dielectric material of dielectric constant $K$ such that the equivalence capacitance of the system became $24\,\mu F$. The value of $K$ will be.
    View Solution
  • 4
    As shown in figure, on bringing a charge $Q$ from point $A$ to $B$ and from $B$ to $C$, the work done are $2\, joule$ and $-3\, joule$ respectively. The work done to bring the charge from $C$ to $A$ is
    View Solution
  • 5
    Twenty seven drops of same size are charged at $220\, \mathrm{~V}$ each. They combine to form a bigger drop. Calculate the potential of the bigger drop. (In $\mathrm{~V}$)
    View Solution
  • 6
    A thin spherical shell is charged by some source. The potential difference between the two points $C$ and $P$ (in $V$) shown in the figure is:

    (Take $\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9$ $SI$ units)

    View Solution
  • 7
    In the following circuit, the switch $S$  is closed at $t = 0.$  The charge on the capacitor  $C_1$  as a function of time will be given by $\left( {{C_{eq}}\, = {\kern 1pt} \,\frac{{{C_1}{C_2}}}{{{C_1} + {C_2}}}} \right).$
    View Solution
  • 8
    The equivalent capacitance between $A$ and $B$ is.......$\mu \,F$
    View Solution
  • 9
    A capacitor of capacitance $9 n F$ having dielectric slab of $\varepsilon_{ r }=2.4$ dielectric strength $20\, MV / m$ and $P.D. =20 \,V$ then area of plates is ....... $\times 10^{-4}\, m ^{2}$
    View Solution
  • 10
    An uncharged parallel plate capacitor having a dielectric of constant $K$ is connected to a similar air cored parallel capacitor charged to a potential $V$. The two capacitors share charges and the common potential is $V$. The dielectric constant $K$ is
    View Solution