Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 917 T 91 T 91.7 T 9.7 T 917 T 91 T 91.7 T 9.7 T 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 Indicate which of the following material does not retain magnetism permanently. Stainless steel Soft iron Hardened steel None of the listed here Stainless steel Soft iron Hardened steel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Energy meters None of the listed here Transformers Loud speakers Energy meters None of the listed here Transformers Loud speakers ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be M/2 2M M/4 M M/2 2M M/4 M ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 0.3 AT 30 AT 3 AT 300 AT 0.3 AT 30 AT 3 AT 300 AT ANSWER DOWNLOAD EXAMIANS APP