Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT 240 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line vertical to the flux lines A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line vertical to the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Placing it inside a coil carrying current Induction The use of permanent magnet Rubbing with another magnet Placing it inside a coil carrying current Induction The use of permanent magnet Rubbing with another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect None of these resistance of conductor both of the listed here reluctance of conductor None of these resistance of conductor both of the listed here reluctance of conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil increases the flux density causes no change in flux density reverses the flux lines decreases the flux density increases the flux density causes no change in flux density reverses the flux lines decreases the flux density ANSWER DOWNLOAD EXAMIANS APP