Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 24 At 2,400 At 2.4 At 240 At 24 At 2,400 At 2.4 At 240 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path lower higher zero little lower higher zero little ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it has high permeability it has low permeability it corrodes easily it has high specific gravity it has high permeability it has low permeability it corrodes easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Diamagnetic material Ferrits Ferromagnetic material Paramagnetic material Diamagnetic material Ferrits Ferromagnetic material Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Ferro magnetic material Bipolar Paramagnetic material Diamagnetic material Ferro magnetic material Bipolar Paramagnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. None of the listed here Hardened steel Stainless steel Soft iron None of the listed here Hardened steel Stainless steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
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