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 1111 At/Wb 111 At/Wb 11 At/Wb 1 At/Wb 1111 At/Wb 111 At/Wb 11 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Susceptibility is positive for non-magnetic substances None of these ferromagnetic substances diamagnetic substances non-magnetic substances None of these ferromagnetic substances diamagnetic substances ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux which does not follow the designed path A line vertical to the flux lines A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line vertical to the flux lines A line of magnetic flux in a non-uniform field The mean length of a ring shaped coil ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 3,125 V 31.25 V 2,000 V 1,000 V 3,125 V 31.25 V 2,000 V 1,000 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Reluctivity conductance Susceptibility Permeability Reluctivity conductance Susceptibility Permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle will depend on the radius of the circle will depend on the amount of e.m.f. applied will be infinite will be zero will depend on the radius of the circle will depend on the amount of e.m.f. applied will be infinite will be zero ANSWER DOWNLOAD EXAMIANS APP
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