Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is varying voltage an electromagnetic field a permanent magnetic field a steady current varying voltage an electromagnetic field a permanent magnetic field a steady current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The force between two long parallel conductors is inversely proportional to Current in one conductor 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 4 AT 10 AT 16 AT 8 AT 4 AT 10 AT 16 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Ampere Joule Ampere-hour Coulomb Ampere Joule Ampere-hour ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 917 T 91 T 91.7 T 9.7 T 917 T 91 T 91.7 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field 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 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 ANSWER DOWNLOAD EXAMIANS APP