Two concentric hollow metallic spheres of radii $r_1$ and $r_2 (r_1 > r_2)$ contain charges $q_1$ and $q_2$ respectively. The potential at a distance $x$ between $r_1$ and $r_2$ will be
Two concentric hollow metallic spheres of radii $r_1$ and $r_2 (r_1 > r_2)$ contain charges $q_1$ and $q_2$ respectively. The potential at a distance $x$ between $r_1$ and $r_2$ will be
- A
$\frac{{{q_1} + {q_2}}}{{4\pi {\varepsilon _0}x}}$
- B
$\frac{{{q_1}}}{{4\pi {\varepsilon _0}{r_1}}} + \frac{{{q_2}}}{{4\pi {\varepsilon _0}{r_2}}}$
- C
$\frac{{{q_1}}}{{4\pi {\varepsilon _0}x}} + \frac{{{q_2}}}{{4\pi {\varepsilon _0}{r_2}}}$
- D
$\frac{{{q_1}}}{{4\pi {\varepsilon _0}{r_1}}} + \frac{{{q_2}}}{{4\pi {\varepsilon _0}x}}$
Similar Questions
Assume that an electric field $\vec E = 30{x^2}\hat i$ exists in space. Then the potential difference $V_A-V_O$ where $V_O$ is the potential at the origin and $V_A$ the potential at $x = 2\ m$ is....$V$
Assume that an electric field $\vec E = 30{x^2}\hat i$ exists in space. Then the potential difference $V_A-V_O$ where $V_O$ is the potential at the origin and $V_A$ the potential at $x = 2\ m$ is....$V$
- [JEE MAIN 2014]
Two equal positive point charges are kept at points $A$ and $B$ . The electric potential, while moving from $A$ to $B$ along straight line
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$STATEMENT-1$ For practical purposes, the earth is used as a reference at zero potential in electrical circuits.and
$STATEMENT-2$ The electrical potential of a sphere of radius $R$ with charge $\mathrm{Q}$ uniformly distributed on the surface is given by $\frac{\mathrm{Q}}{4 \pi \varepsilon_0 R}$.
$STATEMENT-1$ For practical purposes, the earth is used as a reference at zero potential in electrical circuits.and
$STATEMENT-2$ The electrical potential of a sphere of radius $R$ with charge $\mathrm{Q}$ uniformly distributed on the surface is given by $\frac{\mathrm{Q}}{4 \pi \varepsilon_0 R}$.
- [IIT 2008]
Write an equation for an electrostatic potential of a negative point charge.
Write an equation for an electrostatic potential of a negative point charge.
Two charges $5 \times 10^{-8} \;C$ and $-3 \times 10^{-8}\; C$ are located $16\; cm$ apart. At what point $(s)$ on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.
Two charges $5 \times 10^{-8} \;C$ and $-3 \times 10^{-8}\; C$ are located $16\; cm$ apart. At what point $(s)$ on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.