Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the magnetic lines of force will bend away from their usual paths in order to go away from the piece the iron piece will break the magnetic lines of force will bend away from their usual paths in order to pass through the piece ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Relalative permeability Flux density Magnetic potential Magnetic field intensity Relalative permeability Flux density Magnetic potential Magnetic field intensity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Hammering Heating All of the listed here By inductive action of another magnet Hammering Heating All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A keeper is used to Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux Provide a closed path for flux Amplify flux Change the direction of magnetic lines Restore lost flux ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Does not vary with increasing cross-sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material Does not vary with increasing cross-sectional area of material Any of the listed here Increases with increasing cross-sec-tional area of material Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 24 At 2.4 At 240 At 2,400 At 24 At 2.4 At 240 At 2,400 At ANSWER DOWNLOAD EXAMIANS APP
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