Magnetism and Electromagnetism Susceptibility is positive for diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT 240 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as reluctance hysteresis retentivity permeability reluctance hysteresis retentivity permeability 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? 150 At 100 At 200 At 300 At 150 At 100 At 200 At 300 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetomotive force is The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The passage of magnetic field through an exciting coil The voltage across the two ends of exciting coil The sum of all currents embraced by one line of magnetic field The flow of an electric current The passage of magnetic field through an exciting coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
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