Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Magnetic field intensity Relalative permeability Magnetic potential Flux density Magnetic field intensity Relalative permeability Magnetic potential ANSWER DOWNLOAD EXAMIANS APP
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 0.01 N 0.1 N 10 N 100 N 0.01 N 0.1 N 10 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density decreases Core area increases Flux density increases Core length increases Flux density decreases Core area increases Flux density increases Core length increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of spin of electrons spin of nucleus orbital motion of electrons either of these spin of electrons spin of nucleus orbital motion of electrons either of these ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Permanance Resistance Pole strength Reluctance Permanance Resistance Pole strength Reluctance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the current through the coil of an electromagnet reverses, the magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses magnetic field expands direction of the magnetic field reverses direction of the magnetic field remains unchanged magnetic field collapses ANSWER DOWNLOAD EXAMIANS APP
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