TS EAMCET · Physics · Electrostatics
If the electric potential at a point on the surface of a hollow conducting sphere of radius \(\mathrm{R}\) is \(\mathrm{V}\), then the electric potential at a point which is at distance \(\frac{R}{3}\) from the centre of the sphere is
- A V
- B \(\frac{\mathrm{V}}{3}\)
- C \(\frac{\mathrm{V}}{9}\)
- D \(3 \mathrm{~V}\)
Answer & Solution
Correct Answer
(A) V
Step-by-step Solution
Detailed explanation
Inside a conducting, body, potential is same everywhere and equal to the potential at its surface.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- In Young's double slit interference experiment the wavelength of light used is \(6000 Å\). If the path difference between waves reaching a point \(P\) on the screen is 1.5 microns, then at that point \(P\).TS EAMCET 2002 Easy
- There are two holes one each along the opposite sides of a wide rectangular tank. The cross-section of each hole is \(0.01 \mathrm{~m}^2\) and the vertical distance between the holes is one metre. The tank is filled with water.The net force on the tank in newton when the water flows out of the holes is (Density of water \(=1000 \mathrm{~kg} / \mathrm{m}^3\) )TS EAMCET 2004 Medium
- A metal ball initially at pressure of is heated from to keeping its volume constant. The coefficient of linear expansion of metal is and bulk modulus of metal is . The pressure inside the ball becomesTS EAMCET 2021 Easy
- The ratio of longest wavelengths of the spectral lines in the Lyman and Balmer series of hydrogen spectrum isTS EAMCET 2023 Easy
- If the ratio of electron and hole currents in a semiconductor is \(\frac{7}{4}\) and the ratio of drift velocities of electrons and holes is \(\frac{5}{4}\), then ratio of concentrations of electrons and holes will beTS EAMCET 2023 Medium
- Three identical vessels are filled up to the same height with three different liquids \(A, B\) and \(C\) of densities \(\rho_{\mathrm{A}^{\prime}} \rho_{\mathrm{B}}\) and \(\rho_{\mathrm{C}}\), then the pressure at the bottom of the vessels isTS EAMCET 2024 Easy
More PYQs from TS EAMCET
- Consider a uniform horizontal solid cylinder of mass \(10 \mathrm{~kg}\) such that its length is 9 times its radius. Let the radius be \(40 \mathrm{~cm}\). Calculate the moment of inertia of the cylinder about a line passing through its edge and perpendicular to its axis.TS EAMCET 2020 Easy
- A wire loop of area \(0.2 \mathrm{~m}^2\) has a resistance of \(20 \Omega\). A magnetic field pointing normal to the loop has a magnitude of \(0.25 \mathrm{~T}\) and is reduced to zero at a uniform rate in \(10^{-4} \mathrm{sec}\). What is induced emf and resulting current?TS EAMCET 2022 Easy
- A convex lens focusses an object from it on a screen placed away from it. A glass plate (refractive index ) of thickness is inserted between the lens and the screen. What is the distance of the object from the lens, so that its image is again focused on the screen?TS EAMCET 2022 Hard
- Consider an expression where are volume, pressure, time, and length respectively. The quantity has dimension is a dimensionless constant. The value of the integer is:TS EAMCET 2021 Medium
- A square coil of side 10 cm having 200 turns is placed in a uniform magnetic field of 2 T such that the plane of the coil is in the direction of magnetic field. If the current through the coil is 3 mA, then the torque acting on the coil isTS EAMCET 2025 Medium
- The time period of a simple pendulum is \(T\). When the length is increased by \(10 \mathrm{~cm}\), its period is \(T_1\). When the length is decreased by \(10 \mathrm{~cm}\), its period is \(T_2\). Then, relation between \(T, T_1\) and \(T_2\) isTS EAMCET 2004 Medium