Magnetism and Electromagnetism The retentivity of material is useful for the construction of Transformers Electromagnets Permanent magnets Non-magnetic substances Transformers Electromagnets Permanent magnets Non-magnetic substances 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 For a given wire-wound core, an increase in current through the coil Increases the flux density Causes no change in flux density Reverses the flux lines Decreases the flux density Increases the flux density Causes no change in flux density Reverses the flux lines Decreases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is not a unit of flux? Tesla Maxwell All of the listed here Weber Tesla Maxwell All of the listed here Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as residual magnetism reluctance susceptance permeance residual magnetism reluctance susceptance permeance 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 100 N 0.01 N 0.1 N 10 N 100 N 0.01 N 0.1 N 10 N ANSWER DOWNLOAD EXAMIANS APP