Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Placing it inside a coil carrying current Rubbing with another magnet The use of permanent magnet Induction Placing it inside a coil carrying current Rubbing with another magnet The use of permanent magnet Induction ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferromagnetic material Ferrits Diamagnetic material Paramagnetic material Ferromagnetic material Ferrits Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
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 The direction of a magnetic field within a magnet is back to front from south to north from north to south front to back back to front from south to north from north to south front to back ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage reverses polarity increases remains unchanged decreases reverses polarity increases remains unchanged decreases ANSWER DOWNLOAD EXAMIANS APP
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