Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 187 At 30 At 300 At 18.75 At 187 At 30 At 300 At 18.75 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Permeability conductance Susceptibility Reluctivity Permeability conductance Susceptibility Reluctivity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 0.25 AT/m 2500 AT/m 25 AT/m 250 AT/m 0.25 AT/m 2500 AT/m 25 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the cross-sectional area of a magnetic field increases, but the flux remains the same, the flux density remains the same doubles increases decreases remains the same doubles increases decreases 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 14,400 At/Wb 1,440 At/Wb 90,000 At/Wb 9,000 At/Wb 14,400 At/Wb 1,440 At/Wb 90,000 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Joule Coulomb Ampere-hour Ampere Joule Coulomb Ampere-hour Ampere ANSWER DOWNLOAD EXAMIANS APP
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