Magnetism and Electromagnetism The unit for permeability is At/Wb Wb At/m Wb/At × m At/Wb Wb At/m Wb/At × m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 200 At 150 At 100 At 300 At 200 At 150 At 100 At 300 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors The field of a single conductor None of the listed here The field in which all lines of magnetic flux are parallel and equidistant The field of a set of parallel conductors The field of a single conductor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91 T 9.7 T 917 T 91.7 T 91 T 9.7 T 917 T 91.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Hammering Heating All of the listed here By inductive action of another magnet Hammering Heating All of the listed here By inductive action of another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field A line vertical to the flux lines The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field A line vertical to the flux lines The mean length of a ring shaped coil ANSWER DOWNLOAD EXAMIANS APP
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