Magnetism and Electromagnetism The use of permanent magnets is. not made in Loud speakers Energy meters Transformers None of the listed here Loud speakers Energy meters Transformers None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly less than unity slightly more than unity equal to unity equal to that ferromagnetic mate rials slightly less than unity slightly more than unity equal to unity equal to that ferromagnetic mate rials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path higher little zero lower higher little zero lower 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 63.38 N/Wb 6338 N/Wb 633.8 N/Wb 63380 N/Wb 63.38 N/Wb 6338 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents direction of force on the conductor current Voltage magnetic field direction of force on the conductor current Voltage magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Non-magnetic materials Ferro magnetic material Paramagnetic material Ferri-magnetic material Non-magnetic materials Ferro magnetic material Paramagnetic material Ferri-magnetic material ANSWER DOWNLOAD EXAMIANS APP
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