Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Rubbing with another magnet 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The flow of an electric current The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The voltage across the two ends of exciting coil The passage of magnetic field through an exciting coil The sum of all currents embraced by one line of magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Distance between the conductors Product of current in two conductors Radius of conductor Current in one conductor Distance between the conductors Product of current in two conductors Radius of conductor Current in one conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core area increases Flux density decreases Core length increases Flux density increases Core area increases Flux density decreases Core length increases Flux density increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Change the direction of magnetic lines Amplify flux Restore lost flux Provide a closed path for flux Change the direction of magnetic lines Amplify flux Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as reluctance susceptance permeance residual magnetism reluctance susceptance permeance residual magnetism ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS