679 questions across 1 question group — pick any mix to generate a Physics paper with step-by-step answer keys.
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
A metallic shell has a point charge ‘q’ kept inside its cavity. Which one of the following diagrams correctly represents the electric lines of forces
|
(a)
|
(b)
|
(c)
|
(d)
|
and 
are point charges located at points as shown in the figure and S is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law
|
(a) |
|
(b) |
|
(c) |
|
(d) None of the above |
A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium, if q is equal to
(a) 
|
(b) 
|
(b)
|
(d) 
|
A capacitor when filled with a dielectric K = 3 has charge 
, voltage 
and field 
. If the dielectric is replaced with another one having K = 9 the new values of charge, voltage and field will be respectively
(a) 
|
(b) 
|
(c) |
(d) |
Inside a hollow charged spherical conductor, the potential
| (a) Is constant |
| (b) Varies directly as the distance from the centre |
| (c) Varies inversely as the distance from the centre |
|
(d) Varies inversely as the square of the distance from the centre |
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.
