Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials ferrimagnetic materials antiferrimagnetic materials diamagnetic materials antiferromagnetic materials ferrimagnetic materials antiferrimagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Weak magnet Temporary Magnet Permanent magnet None of the listed here Weak magnet Temporary Magnet Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 24 At 2.4 At 2,400 At 240 At 24 At 2.4 At 2,400 At 240 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands direction of the magnetic field reverses ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? None of the listed here Paramagnetic material Ferro magnetic material Diamagnetic material None of the listed here Paramagnetic material Ferro magnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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