Magnetism and Electromagnetism A magnetic field exists around Copper Aluminium Moving Charges Iron Copper Aluminium Moving Charges Iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Energy meters Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here Transformers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity equal to unity slightly less than unity equal to that ferromagnetic mate rials slightly more than unity equal to unity slightly less than unity equal to that ferromagnetic mate rials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will be infinite will depend on the radius of the circle will be zero will depend on the amount of e.m.f. applied will be infinite will depend on the radius of the circle will be zero will depend on the amount of e.m.f. applied ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect both of the listed here reluctance of conductor None of these resistance of conductor both of the listed here reluctance of conductor None of these resistance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? None of the listed here It assures a position right angle to magnetic field It starts rotating It assures a position which follows a line of magnetic flux None of the listed here It assures a position right angle to magnetic field It starts rotating It assures a position which follows a line of magnetic flux ANSWER DOWNLOAD EXAMIANS APP