Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 0.3 AT 30 AT 3 AT 300 AT 0.3 AT 30 AT 3 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a downward force no force a force of attraction a force of repulsion a downward force no force a force of attraction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Is zero Decrease Increase None of the listed here Is zero Decrease Increase None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Flux density Relatice permeability Susceptibility None of the listed here Flux density Relatice permeability Susceptibility None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The lowest permeability of the iron rod The permeability at the end of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as retentivity reluctance permeability hysteresis retentivity reluctance permeability hysteresis ANSWER DOWNLOAD EXAMIANS APP