Gauss’s law will be invalid if? Mark as favorite Copy Link the velocity of light is not a universal constant. the inverse square law is not exactly true. there is magnetic monopoles. none of these. Check Answer
Positive electric flux indicates that electric lines of force are directed? Mark as favorite Copy Link inwards either (a) or (b) outwards None of these Check Answer
Electric field at a point varies as r° for? Mark as favorite Copy Link a line charge of infinite length a point charge an electric dipole a plane infinite sheet of charge Check Answer
For distance far away from centre of dipole the change in magnitude of electric field with change in distance from the centre of dipole is? Mark as favorite Copy Link zero. more in case of axis of dipole as compared to equatorial plane more in case of equatorial plane of dipole as compared to axis of dipole. same in equatorial plane as well as axis of dipole. Check Answer
In general, metallic ropes are suspended on the carriers taking inflammable materials. The reason is? Mark as favorite Copy Link to keep the body of the carrier in contact with the earth. to control the speed of the carrier. none of these. to keep the centre of gravity of the carrier nearer to the earth. Check Answer
Charge motion within the Gaussian surface gives changing physical quantity? Mark as favorite Copy Link charge electric field gaussian surface area electric flux Check Answer
The S.I. unit of electric flux is? Mark as favorite Copy Link volt × metre weber newton per coulomb joule per coulomb Check Answer
The belt of a Vande Graaf generator gets charge by? Mark as favorite Copy Link induction electrification corona discharge None of these Check Answer
When some charge is transferred to …A… it readily gets distributed over the entire surface of … A… If some charge is put on … B…, it stays at the same place. Here, A and B refer to? Mark as favorite Copy Link conductor, conductor insulator, conductor conductor, insulator insulator, insulator Check Answer