Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core area increases Flux density increases Flux density decreases Core length increases Core area increases Flux density increases Flux density decreases Core length increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a bad conductor which is a good conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a bad conductor which is a good conductor which is a strong magnet through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Loud speakers Motors All of the listed here Generators Loud speakers Motors All of the listed here Generators ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla None of the listed here Lumens Weber Tesla None of the listed here Lumens Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as residual magnetism reluctance susceptance permeance residual magnetism reluctance susceptance permeance 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? 91 T 917 T 91.7 T 9.7 T 91 T 917 T 91.7 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS