Magnetism and Electromagnetism The direction of magnetic lines of force is 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 None of the listed here From north pole to south pole From one end of the magnet to another ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Hammering By inductive action of another magnet Heating All of the listed here Hammering By inductive action of another magnet Heating All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Increases First increases and then decreases depending on the depth of iron in¬sertion Remains same Decreases Increases First increases and then decreases depending on the depth of iron in¬sertion Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 360 270 90 180 360 270 90 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Demagnetising metallic parts Remagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts Removal of magnetic impurities Removing gases from the materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Maxwell Weber All of the listed here Tesla Maxwell Weber All of the listed here Tesla ANSWER DOWNLOAD EXAMIANS APP
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