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 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb 1111 At/Wb 11 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 12 4 8 6 12 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The bar magnet has Dipole moment None of the listed here Both dipole and monopole moment Monopole moment Dipole moment None of the listed here Both dipole and monopole moment Monopole moment ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The most effective and quickest may of making a magnet from soft iron is by Placing it inside a coil carrying current Induction Rubbing with another magnet The use of permanent magnet Placing it inside a coil carrying current Induction Rubbing with another magnet The use of permanent magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the saturation value is the highest? Ferromagnetic materials Paramagnetic materials Ferrites Diamagnetic materials Ferromagnetic materials Paramagnetic materials Ferrites Diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect None of these resistance of conductor both of the listed here reluctance of conductor None of these resistance of conductor both of the listed here reluctance of conductor ANSWER DOWNLOAD EXAMIANS APP
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