Magnetism and Electromagnetism Strength of an electromagnet can be increased by All of the listed here Increasing the number of turns Increasing the cross-sectional area Increasing current supply All of the listed here Increasing the number of turns Increasing the cross-sectional area Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Coulomb Ampere Ampere-hour Joule Coulomb Ampere Ampere-hour Joule ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero increases continuously from initial value to final value decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero increases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is At/Wb Wb At/m Wb/At × m At/Wb Wb At/m Wb/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 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 will be infinite will depend on the amount of e.m.f. applied will depend on the radius of the circle ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons ANSWER DOWNLOAD EXAMIANS APP
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