Magnetism and Electromagnetism Magnetising steel is normals difficult because it corrodes easily it has high specific gravity it has low permeability it has high permeability it corrodes easily it has high specific gravity it has low permeability it has high permeability ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Out of the following statements, concerning an electric field, which statement is not true? The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point The electric intensity is a vector quantity An electric field is defined as a point in space at which an electric charge would experience a force Unit field intensity in the exertion of a force of one newton on a charge of one coulomb The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point 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 ? 63380 N/Wb 6338 N/Wb 63.38 N/Wb 633.8 N/Wb 63380 N/Wb 6338 N/Wb 63.38 N/Wb 633.8 N/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber Tesla Lumens None of the listed here Weber Tesla Lumens None of the listed here 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? 1,440 At/Wb 14,400 At/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 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is Wb At/m At/Wb tesla Wb At/m At/Wb tesla ANSWER DOWNLOAD EXAMIANS APP
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