Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At 240 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as susceptance reluctance permeance residual magnetism susceptance reluctance permeance residual magnetism ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has None of the listed here Dipole moment Monopole moment Both dipole and monopole moment None of the listed here Dipole moment Monopole moment Both dipole and monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is increased reversed in polarity zero decreased increased reversed in polarity zero decreased ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Degaussing is the process of Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts Remagnetising metallic parts Removing gases from the materials Removal of magnetic impurities Demagnetising metallic parts ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density doubles increases remains the same decreases doubles increases remains the same decreases ANSWER DOWNLOAD EXAMIANS APP