Magnetism and Electromagnetism The unit for reluctance is tesla Wb At/Wb At/m tesla Wb At/Wb At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 100 At 150 At 200 At 300 At 100 At 150 At 200 At 300 At 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? 9.7 T 91 T 91.7 T 917 T 9.7 T 91 T 91.7 T 917 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Electromagnets Non-magnetic substances Permanent magnets Transformers Electromagnets Non-magnetic substances Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic field intensity Relalative permeability Magnetic potential Flux density Magnetic field intensity Relalative permeability Magnetic potential ANSWER DOWNLOAD EXAMIANS APP
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