Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of either of these orbital motion of electrons spin of nucleus spin of electrons either of these orbital motion of electrons spin of nucleus spin of electrons ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ? 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb 63.38 N/Wb 63380 N/Wb 633.8 N/Wb 6338 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Tungsten Nickel Aluminium Copper Tungsten Nickel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet through which the magnetic lines of force can pass very easily which is a bad conductor which is a good conductor which is a strong magnet through which the magnetic lines of force can pass very easily which is a bad conductor which is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 300 At 18.75 At 30 At 187 At 300 At 18.75 At 30 At 187 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? None of the listed here Tesla Weber Lumens None of the listed here Tesla Weber Lumens ANSWER DOWNLOAD EXAMIANS APP