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 91 T 9.7 T 917 T 91.7 T 91 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Joule Ampere-hour Ampere Coulomb Joule Ampere-hour Ampere ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials Ferrites Ferromagnetic materials Diamagnetic materials Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ability of a material to remain magnetized after removal of the magnetizing force is known as hysteresis retentivity reluctance permeability hysteresis retentivity reluctance permeability 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? Decreases 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic potential Magnetic field intensity Relalative permeability Flux density Magnetic potential Magnetic field intensity Relalative permeability ANSWER DOWNLOAD EXAMIANS APP
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