Logo
Home | Sitemap | Contact us | Search | Language
Select Your Theme
  Home >> Online-Test >> Physics >> Electro Statics

Biology Test Home | Physics Test Home | Chemistry Test Home | Synonyms and Antonyms

Free Online Mock Physics Multiple Choice Test on Electro Statics
Sub Category : Electro Statics Test : 1 Time Left :
1) 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(1)-Q/2 (2) -Q/4 (3) +Q/4 (4) +Q/2
  1 2 3 4
2) The ratio of the forces between two small spheres with constant charge (a) in air and (b) in a medium of dielectric constant K is (1) 1 : K (2) K : 1 (3) 1 : K² (4) K² :1
  1 2 3 4
3)A soap bubble is given a negative charge. Then its radius
(1) Decreses (2) Increases (3) Remains unchanged (4) None of these
1 2 3 4
4) A hollow metal sphere of radius 5cm is charged so that the potential on itss surface is 10V. The potential at the centre of the sphere will be
(1) Zero volt (2) 10V (3) Unity (4) Infinity
1 2 3 4
5) The electric potential at a point, on the axis of an electric dipole, varies with the distance r of the point from the dipoles as(1) Proportional to 1/r (2) Proportional to 1/r² (3) Proportional to r (4) Proportional to 1/r³
1 2 3 4
     1  2  4  5
 
Home | Sitemap | Terms | Privacy Policy | Contact us |
  Language >> English |' Français | Español | Deutsch | Italiano | Portugues | Japanese | Korean | Sim-Chinese