Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla Lumens Weber None of the listed here Tesla Lumens Weber None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Copper Aluminium Nickel Tungsten Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil? Increases First increases and then decreases depending on the depth of iron in¬sertion Remains same Decreases Increases First increases and then decreases depending on the depth of iron in¬sertion Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Indicate which of the following material does not retain magnetism permanently. None of the listed here Stainless steel Hardened steel Soft iron None of the listed here Stainless steel Hardened steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly more than unity equal to that ferromagnetic mate rials slightly less than unity equal to unity slightly more than unity equal to that ferromagnetic mate rials slightly less than unity equal to unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The main constituent of permalloy is Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
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