Magnetism and Electromagnetism A permeable substance is one which is a bad conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a good conductor which is a bad conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Core length increases Flux density decreases Core area increases Flux density increases Core length increases Flux density decreases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? diamagnetic materials ferrimagnetic materials antiferromagnetic materials antiferrimagnetic materials diamagnetic materials ferrimagnetic materials antiferromagnetic materials antiferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 8 4 6 12 8 4 6 12 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density in a magnetic field in which the flux in 0.1 m2 is 600 Wb? 6 T 600 T 600 T 6,000 T 6 T 600 T 600 T 6,000 T ANSWER DOWNLOAD EXAMIANS APP
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