Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 25 AT/m 2500 AT/m 250 AT/m 0.25 AT/m 25 AT/m 2500 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Aluminium Copper Tungsten Nickel Aluminium Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Susceptibility Reluctivity Permeability conductance Susceptibility Reluctivity Permeability conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere-hour Coulomb Joule Ampere Ampere-hour Coulomb Joule Ampere ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Is zero Decrease Increase None of the listed here Is zero Decrease Increase None of the listed here 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