Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 100 N 10 N 0.01 N 0.1 N 100 N 10 N 0.01 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts all paramagnetic substances and repels others Attracts some substances and repels others Attracts only ferromagnetic substances 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 remains the same increases decreases doubles remains the same increases decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla None of the listed here Weber Lumens Tesla None of the listed here Weber Lumens ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because 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 it has high permeability it corrodes easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When a solenoid is activated, the force that moves the plunger is a steady current a permanent magnetic field varying voltage an electromagnetic field a steady current a permanent magnetic field varying voltage an electromagnetic field ANSWER DOWNLOAD EXAMIANS APP
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