Magnetism and Electromagnetism The main constituent of permalloy is Chromium Cobalt Tungsten Nickel Chromium Cobalt Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Strength of an electromagnet can be increased by Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply Increasing the number of turns All of the listed here Increasing the cross-sectional area Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials antiferromagnetic materials diamagnetic materials antiferrimagnetic materials ferrimagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 270 90 360 180 270 90 360 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The relative permeability is less than unity is case of Paramagnetic material Diamagnetic material Ferrits Ferromagnetic material Paramagnetic material Diamagnetic material Ferrits Ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permanent magnet Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts all paramagnetic substances and repels others Attracts only ferromagnetic substances Attracts ferromagnetic substances and repels all others Attracts some substances and repels others ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS