Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero 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 1 At/Wb 11 At/Wb 111 At/Wb 1111 At/Wb 1 At/Wb 11 At/Wb 111 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Silver Copper Iron Silver and copper Silver Copper Iron Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials having low retentivity are suitable for making Permanent magnet Temporary Magnet Weak magnet None of the listed here Permanent magnet Temporary Magnet Weak magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferromagnetic material Ferrits Diamagnetic material Paramagnetic material Ferromagnetic material Ferrits Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The induced voltage across a stationary conductor in a stationary magnetic field is zero reversed in polarity increased decreased zero reversed in polarity increased decreased ANSWER DOWNLOAD EXAMIANS APP
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