Magnetism and Electromagnetism The unit of relative permeability is Hennry Hennry/meter None of the listed here Its dimensionless Hennry Hennry/meter None of the listed here Its dimensionless ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following materials are diamagnetic? Copper Silver Iron Silver and copper Copper Silver Iron Silver and copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux first increases and then decreases till it becomes zero increases continuously from initial value to final value decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field first increases and then decreases till it becomes zero increases continuously from initial value to final value decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Increases with increasing cross-sec-tional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Decreases the flux density Causes no change in flux density Reverses the flux lines Increases the flux density Decreases the flux density Causes no change in flux density Reverses the flux lines Increases the flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material Paramagnetic material Ferrits Ferromagnetic material Diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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