Magnetism and Electromagnetism Temporary magnets are used in Loud speakers Generators Motors All of the listed here Loud speakers Generators Motors All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Substances which have permeability less than the permeability of free space are known as Paramagnetic material Bipolar Ferro magnetic material Diamagnetic material Paramagnetic material Bipolar Ferro magnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of a magnetic field within a magnet is from north to south from south to north back to front front to back from north to south from south to north back to front front to back 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 ? 63380 N/Wb 633.8 N/Wb 63.38 N/Wb 6338 N/Wb 63380 N/Wb 633.8 N/Wb 63.38 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. None of the listed here Ferromagnetic Paramagnetic Diamagnetic None of the listed here Ferromagnetic Paramagnetic Diamagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Hennry Hennry/meter Its dimensionless None of the listed here Hennry Hennry/meter Its dimensionless None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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