Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 240 At 2,400 At 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high permeability 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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases decreases reverses polarity remains unchanged increases decreases reverses polarity remains unchanged 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 18.75 At 300 At 187 At 30 At 18.75 At 300 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a pole strength vector quantity scalar quantity universal constant pole strength vector quantity scalar quantity universal constant ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The Biotsavart's law is a general modification of Lenz's law Kirchhoff's law Ampere's law Faraday's laws Lenz's law Kirchhoff's law Ampere's law Faraday's laws ANSWER DOWNLOAD EXAMIANS APP
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