Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 18.75 At 300 At 30 At 187 At 18.75 At 300 At 30 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic lines of force will bend away from their usual paths in order to go away from 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 pass through the piece the magnetic lines of force will bend away from their usual paths in order to go away from 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 pass through the piece 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 A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line vertical to the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It starts rotating None of the listed here It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field It starts rotating None of the listed here It assures a position which follows a line of magnetic flux It assures a position right angle to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? None of the listed here Weber Lumens Tesla None of the listed here Weber Lumens Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is None of the listed here From south pole to north pole From one end of the magnet to another From north pole to south pole None of the listed here From south pole to north pole From one end of the magnet to another From north pole to south pole ANSWER DOWNLOAD EXAMIANS APP