MCQ
The electric field inside a spherical shell of uniform surface charge density is
- ✓Zero
- BConstant, less than zero
- CDirectly proportional to the distance from the centre
- DNone of the above
✓
Answer
Correct option: A.
Zero
a
(a) All charge resides on the outer surface so that according to Gauss law, electric field inside a shell is zero.
(a) All charge resides on the outer surface so that according to Gauss law, electric field inside a shell is zero.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
To demonstrate the phenomenon of interference, we require two sources which emit radiation
A pure resistor is joined with a capacitor. The magni- tude of tangent of their phase difference in the cir- cuit is:
When the object has no electric charge then the object is said to be:
The electric field due to an electric dipole at a distance r from its centre in axial position is E. If the dipole is rotated through an angle of 90° about its perpendicular axis, the electric field at the same point will be
$10$ resistors each of resistance $10\,\Omega$ can be connected in such as to get maximum and minimum equivalent resistance. The ratio of maximum and minimum equivalent resistance will be $..........$.
→A metal wire of specific resistance $64 \times 10^{-6} \mathrm{ohm}-\mathrm{cm}$ and length 198 cm has a resistance of 7 ohm, the radius of the wire will be
→There are two coils A and B as shown in the figure. A current starts flowing in B as shown, when A is moved towards B and stops when A stops moving. The current in A is counter clockwise. B is kept stationary when A moves. We can infer that
Flux associated to a coil at any instant $t$ is $\phi=10 r^2$ $50 t+250$, then induced emf at $t =3$ is :
→Approximate thickness of oil film to observe interference of light (due to which it looks coloured) is .......
If the capacitance of each capacitor in the tetrahedron shown is $C$ , then effective capacitance of the network across any two junctions is ......$C$
→