Magnetism and Electromagnetism Magnetising steel is normals difficult because it corrodes easily it has high specific gravity it has low permeability it has high permeability it corrodes easily it has high specific gravity it has low permeability it has high permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 2.4 AT 240 AT 0.24 AT 24 AT 2.4 AT 240 AT 0.24 AT 24 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one Which is a strong magnet Which is a good conductor Through which the magnetic lines of force can pass very easily Which is a bad conductor Which is a strong magnet Which is a good conductor Through which the magnetic lines of force can pass very easily Which is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts None of these Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts None of these Both of the listed here strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Temporary magnets are used in Generators Loud speakers All of the listed here Motors Generators Loud speakers All of the listed here Motors ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Weak magnet Temporary Magnet None of the listed here Permanent magnet Weak magnet Temporary Magnet None of the listed here Permanent magnet ANSWER DOWNLOAD EXAMIANS APP