Displacement current cannot produce magnetic field. (True/False)

SI unit of magnetic flux is weber. (True/False)

List two methods of producing magnetic fields.

The atom or moleule of a substance cannot behave as a magnetic dipole. (True/ false)

A long solenoid carrying a current produces a magnetic field B along its axis. If the number of turns per cm is doubled and the current in the solenoid is halved, then the new value of the magnetic field along its axis will be

Mass cannot be converted into energy.(True/ False)