Magnetism and Electromagnetism The induced voltage across a coil with 250 turns that is located in a magnetic field that is changing at a rate of 8 Wb/s is 1,000 V 3,125 V 2,000 V 31.25 V 1,000 V 3,125 V 2,000 V 31.25 V ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Field strength Flux Flux density Inductance Field strength Flux Flux density Inductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A magnetic field exists around Iron Moving Charges Copper Aluminium Iron Moving Charges Copper Aluminium 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 ? 6338 N/Wb 633.8 N/Wb 63380 N/Wb 63.38 N/Wb 6338 N/Wb 633.8 N/Wb 63380 N/Wb 63.38 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as None of the listed here Relatice permeability Flux density Susceptibility None of the listed here Relatice permeability Flux density Susceptibility ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The change of cross-sectional area of conductor in magnetic field will affect resistance of conductor both of the listed here reluctance of conductor None of these resistance of conductor both of the listed here reluctance of conductor None of these ANSWER DOWNLOAD EXAMIANS APP