Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. Stainless steel Soft iron None of the listed here Hardened steel Stainless steel Soft iron None of the listed here Hardened steel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91.7 T 9.7 T 917 T 91 T 91.7 T 9.7 T 917 T 91 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor 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 increases remains the same decreases doubles increases remains the same decreases doubles ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The lowest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The highest permeability of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is At/Wb Wb/At × m At/m Wb At/Wb Wb/At × m At/m Wb ANSWER DOWNLOAD EXAMIANS APP
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