Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Aluminium Tungsten Nickel Copper Aluminium Tungsten Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The ratio of intensity of magnetisation to the magnetisation force is known as Flux density Relatice permeability Susceptibility None of the listed here Flux density Relatice permeability Susceptibility None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 240 N 2.4 N 0.24 N 24 N 240 N 2.4 N 0.24 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When an iron piece is placed in a magnetic field the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the iron piece will break the magnetic lines of force will bend away from their usual paths in order to go away from the piece the magnetic lines of force will bend away from their usual paths in order to pass through the piece the magnetic field will not be affected the iron piece will break ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? 90,000 At/Wb 9,000 At/Wb 1,440 At/Wb 14,400 At/Wb 90,000 At/Wb 9,000 At/Wb 1,440 At/Wb 14,400 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The direction of magnetic lines of force is From south pole to north pole None of the listed here From one end of the magnet to another From north pole to south pole From south pole to north pole None of the listed here From one end of the magnet to another From north pole to south pole ANSWER DOWNLOAD EXAMIANS APP
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