Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines Restore lost flux Amplify flux Provide a closed path for flux Change the direction of magnetic lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Permeability Susceptibility Reluctivity conductance Permeability Susceptibility Reluctivity conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Ampere-hour Joule Ampere Coulomb Ampere-hour Joule Ampere ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is None of the listed here From north pole to south pole From one end of the magnet to another From south pole to north pole None of the listed here From north pole to south pole From one end of the magnet to another From south pole to north pole ANSWER DOWNLOAD EXAMIANS APP
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