Magnetism and Electromagnetism Magnetising steel is normals difficult because it corrodes easily it has low permeability it has high specific gravity it has high permeability it corrodes easily it has low permeability it has high specific gravity it has high permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a force of attraction no force a downward force a force of repulsion a force of attraction no force a downward force ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as None of the listed here Susceptibility Relatice permeability Flux density None of the listed here Susceptibility Relatice permeability Flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Iron Copper Moving Charges Aluminium Iron Copper Moving Charges Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 600 T 600 T 6,000 T 6 T 600 T 600 T 6,000 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 111 At/Wb 11 At/Wb 1111 At/Wb 1 At/Wb 111 At/Wb 11 At/Wb 1111 At/Wb 1 At/Wb ANSWER DOWNLOAD EXAMIANS APP