Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it has high specific gravity it has high permeability it corrodes easily it has low permeability it has high specific gravity it has high permeability it corrodes easily it has low permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one through which the magnetic lines of force can pass very easily which is a bad conductor which is a strong magnet which is a good conductor through which the magnetic lines of force can pass very easily which is a bad conductor which is a strong magnet which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Main causes of noisy solenoid are None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force Both of the listed here None of these uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts strong tendency of fan out of laminations at the end caused by repulsion among magnetic lines of force Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to distance between the conductors proportional to X inversely proportional to I proportional to 7 proportional to distance between the conductors proportional to X inversely proportional to I proportional to 7 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? None of the listed here Ferro magnetic material Diamagnetic material Paramagnetic material None of the listed here Ferro magnetic material Diamagnetic material Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
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