Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla None of the listed here Weber Lumens Tesla None of the listed here Weber Lumens ANSWER DOWNLOAD EXAMIANS APP
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? 9.7 T 917 T 91 T 91.7 T 9.7 T 917 T 91 T 91.7 T 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 6338 N/Wb 63.38 N/Wb 633.8 N/Wb 63380 N/Wb 6338 N/Wb 63.38 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability of materials is not constant. Ferromagnetic None of the listed here Diamagnetic Paramagnetic Ferromagnetic None of the listed here Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10"8 N 22 x 10"7 N 22 x 10"5 N 22 x 10-6 N 22 x 10"8 N 22 x 10"7 N 22 x 10"5 N 22 x 10-6 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 2,000 V 31.25 V 3,125 V 1,000 V 2,000 V 31.25 V 3,125 V 1,000 V ANSWER DOWNLOAD EXAMIANS APP
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