Magnetism and Electromagnetism Gilbert is a unit of electromotive force permittivity magnetomotive force conductance electromotive force permittivity magnetomotive force conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The passage of magnetic field through an exciting coil The flow of an electric current The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The passage of magnetic field through an exciting coil The flow of an electric current The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and high retentivity High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 24 AT 240 AT 0.24 AT 2.4 AT 24 AT 240 AT 0.24 AT 2.4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/4 M/2 M 2M M/4 M/2 M 2M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field 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 the magnetic lines of force will bend away from their usual paths in order to pass through the piece ANSWER DOWNLOAD EXAMIANS APP