Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and low density High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? Unit field intensity in the exertion of a force of one newton on a charge of one coulomb An electric field is defined as a point in space at which an electric charge would experience a force The electric intensity is a vector quantity The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point Unit field intensity in the exertion of a force of one newton on a charge of one coulomb An electric field is defined as a point in space at which an electric charge would experience a force The electric intensity is a vector quantity The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The commonly used material for shielding or screening magnetism is Brass Aluminium Soft iron Copper Brass Aluminium Soft iron Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Diamagnetic Ferromagnetic Paramagnetic None of the listed here Diamagnetic Ferromagnetic Paramagnetic None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
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