Magnetism and Electromagnetism The direction of a magnetic field within a magnet is front to back back to front from south to north from north to south front to back back to front from south to north from north to south ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 6338 N/Wb 63380 N/Wb 63.38 N/Wb 633.8 N/Wb 6338 N/Wb 63380 N/Wb 63.38 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials Diamagnetic materials Ferrites Paramagnetic materials Ferromagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Joule Coulomb Ampere Ampere-hour Joule Coulomb Ampere Ampere-hour ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The uniform magnetic field is The field in which all lines of magnetic flux are parallel and equidistant None of the listed here The field of a set of parallel conductors The field of a single conductor The field in which all lines of magnetic flux are parallel and equidistant None of the listed here The field of a set of parallel conductors The field of a single conductor 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 depend on the amount of e.m.f. applied will be infinite will depend on the radius of the circle will be zero will depend on the amount of e.m.f. applied will be infinite will depend on the radius of the circle ANSWER DOWNLOAD EXAMIANS APP
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