Magnetism and Electromagnetism The bar magnet has None of the listed here Monopole moment Dipole moment Both dipole and monopole moment None of the listed here Monopole moment Dipole moment Both dipole and monopole moment 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? 1 At/Wb 11 At/Wb 111 At/Wb 1111 At/Wb 1 At/Wb 11 At/Wb 111 At/Wb 1111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? None of the listed here Lumens Weber Tesla None of the listed here Lumens Weber Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage current decreasing current an increasing current voltage current decreasing current an increasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 4 AT 16 AT 8 AT 10 AT 4 AT 16 AT 8 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Reverses the flux lines Decreases the flux density Increases the flux density Causes no change in flux density Reverses the flux lines Decreases the flux density Increases the flux density Causes no change in flux density ANSWER DOWNLOAD EXAMIANS APP