A charge of 2 uC is uniformly distributed on a spherical shell of radius 5
m. Electric potential at the centre of sphere is
rem
Answers
The electric potential at the centre of the spherical shell is 3600 volts.
A charge of 2μC is uniformly distributed on a spherical shell of radius 5m.
We have to find the electric potential at the centre of sphere.
- Electric potential is the amount of work needed to move a unit charge from one point to another against electric field.
- A standard formula to find electric potential is V = Kq/r, where q is charge and r is the distance between charge to the observation point.
Here, a charge of 2μC is uniformly distributed on a spherical shell.
we know, charge resides on the surface of the spherical shell, so the electric charge inside the shell will be zero. but the electric potential inside the shell remains constant and that is V = kq/r , where r is the radius of spherical shell, q is charge on the shell.
∴ Electric potential at the centre of the sphere, V = (9 × 10⁹ × 2 × 10⁻⁶)/(5) = 3.6 × 10³ = 3600 volts.
Therefore the electric potential at the centre of sphere is 3600 volts.
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