Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 240 N 2.4 N 0.24 N 24 N 240 N 2.4 N 0.24 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 9,000 At/Wb 90,000 At/Wb 1,440 At/Wb 14,400 At/Wb 9,000 At/Wb 90,000 At/Wb 1,440 At/Wb 14,400 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of flux is the same as that of Permanance Reluctance Pole strength Resistance Permanance Reluctance Pole strength Resistance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? diamagnetic materials antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials diamagnetic materials antiferrimagnetic materials antiferromagnetic materials ferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetism left in the iron after exciting field has been removed is known as residual magnetism susceptance permeance reluctance residual magnetism susceptance permeance reluctance ANSWER DOWNLOAD EXAMIANS APP
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