Magnetism and Electromagnetism The unit for reluctance is Wb tesla At/m At/Wb Wb tesla At/m At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Lumens Tesla Weber None of the listed here Lumens Tesla Weber None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic reluctance of a material Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Any of the listed here Does not vary with increasing cross-sectional area of material Decreases with increasing cross sectional area of material Increases with increasing cross-sec-tional area of material Any of the listed here Does not vary with increasing cross-sectional area of material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the reluctance of a material that has a length of 0.07 m, a cross-sectional area of 0.014 m2, and a permeability of 4,500 Wb/At × m? 111 At/Wb 11 At/Wb 1111 At/Wb 1 At/Wb 111 At/Wb 11 At/Wb 1111 At/Wb 1 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is voltage current an increasing current decreasing current voltage current an increasing current decreasing current ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 180 90 360 270 180 90 360 270 ANSWER DOWNLOAD EXAMIANS APP
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