Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 2.4 AT 0.24 AT 24 AT 240 AT 2.4 AT 0.24 AT 24 AT 240 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Core area increases Core length increases Flux density increases Flux density decreases Core area increases Core length increases Flux density increases Flux density decreases ANSWER DOWNLOAD EXAMIANS APP
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 magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 187 At 300 At 18.75 At 30 At 187 At 300 At 18.75 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here Transformers Energy meters ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry/meter Hennry None of the listed here Its dimensionless Hennry/meter Hennry None of the listed here Its dimensionless ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS