Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91 T 917 T 91.7 T 9.7 T 91 T 917 T 91.7 T 9.7 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Paramagnetic Ferromagnetic None of the listed here Diamagnetic Paramagnetic Ferromagnetic None of the listed here Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply Increasing the cross-sectional area Increasing the number of turns All of the listed here Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Heating Hammering All of the listed here By inductive action of another magnet Heating Hammering All of the listed here By inductive action of another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere Coulomb Ampere-hour Joule Ampere Coulomb Ampere-hour Joule ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb 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 An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric intensity is a vector quantity ANSWER DOWNLOAD EXAMIANS APP