Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to distance between the conductors proportional to 7 inversely proportional to I proportional to X proportional to distance between the conductors proportional to 7 inversely proportional to I proportional to X ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 2.4 AT 240 AT 24 AT 0.24 AT 2.4 AT 240 AT 24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Permanance Pole strength Resistance Reluctance Permanance Pole strength Resistance Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Paramagnetic materials Diamagnetic materials Ferromagnetic materials Ferrites Paramagnetic materials Diamagnetic materials Ferromagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil reverses the flux lines decreases the flux density causes no change in flux density increases the flux density reverses the flux lines decreases the flux density causes no change in flux density increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is an electromagnetic field a permanent magnetic field a steady current varying voltage an electromagnetic field a permanent magnetic field a steady current varying voltage ANSWER DOWNLOAD EXAMIANS APP