Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity equal to unity slightly less than unity equal to that ferromagnetic mate rials slightly more than unity equal to unity slightly less than unity equal to that ferromagnetic mate rials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere-hour Coulomb Ampere Joule Ampere-hour Coulomb Ampere Joule ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Non-magnetic substances Electromagnets Permanent magnets Transformers Non-magnetic substances Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 917 T 91.7 T 9.7 T 91 T 917 T 91.7 T 9.7 T 91 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect reluctance of conductor resistance of conductor both of the listed here None of these reluctance of conductor resistance of conductor both of the listed here None of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making None of the listed here Temporary Magnet Weak magnet Permanent magnet None of the listed here Temporary Magnet Weak magnet Permanent magnet ANSWER DOWNLOAD EXAMIANS APP
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