Magnetism and Electromagnetism What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it? 30 At 18.75 At 187 At 300 At 30 At 18.75 At 187 At 300 At 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 Flux density Susceptibility Relatice permeability None of the listed here Flux density Susceptibility Relatice permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The materials are a bit inferior conductors of magnetic flux than air. Ferromagnetic Diamagnetic Dielectric None of the listed here Ferromagnetic Diamagnetic Dielectric None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The electromagnet has 50 turns and a current of 1A flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength? 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m 25 AT/m 0.25 AT/m 2500 AT/m 250 AT/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Two long parallel conductors carry 100 A. If the conductors are separated by 20 mm, the force per meter of length of each conductor will be 0.01 N 10 N 100 N 0.1 N 0.01 N 10 N 100 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism When the north poles of two bar magnets are brought close together, there will be a force of repulsion a force of attraction a downward force no force a force of repulsion a force of attraction a downward force no force ANSWER DOWNLOAD EXAMIANS APP