Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is increased decreased reversed in polarity zero increased decreased reversed in polarity zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Be excessive Increase Decrease Remain Constant Be excessive Increase Decrease Remain Constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts Removal of magnetic impurities Removing gases from the materials Demagnetising metallic parts Remagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for ferromagnetic substances None of these diamagnetic substances non-magnetic substances ferromagnetic substances None of these diamagnetic substances non-magnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands direction of the magnetic field reverses magnetic field collapses direction of the magnetic field remains unchanged magnetic field expands ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are materials. Paramagnetic None of the listed here Ferromagnetic Diamagnetic Paramagnetic None of the listed here Ferromagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
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