Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field expands direction of the magnetic field remains unchanged direction of the magnetic field reverses magnetic field collapses magnetic field expands direction of the magnetic field remains unchanged direction of the magnetic field reverses magnetic field collapses ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the iron piece will break the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the iron piece will break the magnetic lines of force will bend away from their usual paths in order to go away from the piece ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A material which is slightly repelled by a magnetic field is known as conducting material diamagnetic material paramagnetic material ferromagnetic material conducting material diamagnetic material paramagnetic material ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Ferromagnetic Diamagnetic None of the listed here Paramagnetic Ferromagnetic Diamagnetic None of the listed here Paramagnetic 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 resistance of conductor reluctance of conductor None of these both of the listed here resistance of conductor reluctance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 0.24 N 2.4 N 24 N 240 N 0.24 N 2.4 N 24 N 240 N ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS