Magnetism and Electromagnetism A keeper is used to Restore lost flux Amplify flux Change the direction of magnetic lines Provide a closed path for flux Restore lost flux Amplify flux Change the direction of magnetic lines Provide a closed path for flux ANSWER DOWNLOAD EXAMIANS APP
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? 0.25 AT/m 25 AT/m 250 AT/m 2500 AT/m 0.25 AT/m 25 AT/m 250 AT/m 2500 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will be infinite will depend on the amount of e.m.f. applied will depend on the radius of the circle will be zero will be infinite will depend on the amount of e.m.f. applied will depend on the radius of the circle will be zero ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/Wb Wb tesla At/m At/Wb Wb tesla At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Relatice permeability Susceptibility Flux density None of the listed here Relatice permeability Susceptibility Flux density None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by By inductive action of another magnet Hammering Heating All of the listed here By inductive action of another magnet Hammering Heating All of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS