Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density 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? 14,400 At/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 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? 11 At/Wb 1111 At/Wb 1 At/Wb 111 At/Wb 11 At/Wb 1111 At/Wb 1 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Permeability Reluctivity Susceptibility conductance Permeability Reluctivity Susceptibility conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism One telsa is equal to 1 Wb/mm² 1 Wb/m 1 mWb/m² 1 Wb/m² 1 Wb/mm² 1 Wb/m 1 mWb/m² 1 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux decreases continuously from initial value to final value first increases and then decreases till it becomes zero is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value decreases continuously from initial value to final value first increases and then decreases till it becomes zero is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP
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