Magnetism and Electromagnetism Unit for quantity of electricity is Ampere Coulomb Joule Ampere-hour Ampere Coulomb Joule Ampere-hour ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage decreases reaches zero remains constant increases decreases reaches zero remains constant increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect None of these both of the listed here reluctance of conductor resistance of conductor None of these both of the listed here reluctance of conductor resistance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 4 12 8 6 4 12 8 6 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density increases remains the same decreases doubles increases remains the same decreases doubles ANSWER DOWNLOAD EXAMIANS APP