Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Restore lost flux Change the direction of magnetic lines Amplify flux Provide a closed path for flux Restore lost flux Change the direction of magnetic lines Amplify flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by All of the listed here Hammering By inductive action of another magnet Heating All of the listed here Hammering By inductive action of another magnet Heating ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is None of the listed here Hennry/meter Its dimensionless Hennry None of the listed here Hennry/meter Its dimensionless Hennry ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 300 AT 3 AT 0.3 AT 30 AT 300 AT 3 AT 0.3 AT 30 AT 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 None of the listed here Decrease Increase Is zero None of the listed here Decrease Increase Is zero 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? 18.75 At 30 At 300 At 187 At 18.75 At 30 At 300 At 187 At ANSWER DOWNLOAD EXAMIANS APP