Magnetism and Electromagnetism The unit of flux is the same as that of Resistance Reluctance Permanance Pole strength Resistance Reluctance Permanance Pole strength 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? 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb 1111 At/Wb 11 At/Wb 1 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A coil of wire is placed in a changing magnetic field. If the number of turns in the coil is decreased, the voltage induced across the coil will Remain same Increases None of the listed here Decreases Remain same Increases None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability equal to that ferromagnetic mate rials equal to unity slightly less than unity slightly more than unity equal to that ferromagnetic mate rials equal to unity slightly less than unity slightly more than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is decreased zero increased reversed in polarity decreased zero increased reversed in polarity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Materials subjected to rapid reversal of magnetism should have High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity High co-ercivity and low density High permeability and low hysteresis loss Large area of B-H loop High co-ercivity and high retentivity ANSWER DOWNLOAD EXAMIANS APP
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