Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil increases the flux density decreases the flux density reverses the flux lines causes no change in flux density increases the flux density decreases the flux density reverses the flux lines causes no change in flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere-hour Ampere Coulomb Joule Ampere-hour Ampere Coulomb Joule ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Paramagnetic material Bipolar Diamagnetic material Ferro magnetic material Paramagnetic material Bipolar Diamagnetic material Ferro magnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Hardened steel Stainless steel Soft iron None of the listed here Hardened steel Stainless steel Soft iron None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removing gases from the materials Demagnetising metallic parts Removal of magnetic impurities Remagnetising metallic parts Removing gases from the materials Demagnetising metallic parts Removal of magnetic impurities Remagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/m At/Wb tesla Wb At/m At/Wb tesla Wb ANSWER DOWNLOAD EXAMIANS APP
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