Two electric charges $12\,\mu C$ and $ - 6\,\mu C$ are placed $20\, cm$ apart in air. There will be a point $P$ on the line joining these charges and outside the region between them, at which the electric potential is zero. The distance of $P$ from $ - 6\,\mu C$ charge is.......$m$
  • A$0.10$
  • B$0.15 $
  • C$0.20 $
  • D$0.25$
Medium
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 effective capacitances of two capacitors are $3\,\mu F$ and $16\,\mu F$, when they are connected in series and parallel respectively. The capacitance of two capacitors are
    View Solution
  • 2
    Three charges $2 q,-q$ and $-q$ are located at the vertices of an equilateral triangle. At the center of the triangle
    View Solution
  • 3
    A capacitor stores $60\,\mu C$ charge when connected across a battery. When the gap between the plates is filled with dielectric, a charge of $120\,\mu C$ flows through the battery. The dielectric constant of the dielectric inserted is
    View Solution
  • 4
    The give graph shown variation (with distance $r$ from centre) of
    View Solution
  • 5
    The electric field $\vec E$ between two points is constant in both magnitude and direction. Consider a path of length d at an angle $\theta = 60^o$ with respect to field lines shown in figure. The potential difference between points $1$ and $2$ is
    View Solution
  • 6
    Assertion : If the distance between parallel plates of a capacitor is halved and dielectric constant is three times, then the capacitance becomes $6\,times$.

    Reason : Capacity of the capacitor does not depend upon the nature of the material.

    View Solution
  • 7
    Two capacitors of capacitances $C$ and $2\, C$ are charged to potential differences $V$ and $2\, V$, respectively. These are then connected in parallel in such a manner that the positive terminal of one is connected to the negative terminal of the other. The final energy of this configuration is$.....CV^2$
    View Solution
  • 8
    A particle has a mass $400$ times than that of the electron and charge is double than that of a electron. It is accelerated by $5\,V$ of potential difference. Initially the particle was at rest, then its final kinetic energy will be......$eV$
    View Solution
  • 9
    Variation in electric potential is maximum if one goes
    View Solution
  • 10
    While a capacitor remains connected to a battery and dielectric slab is applied between the plates, then
    View Solution