Magnetism and Electromagnetism What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current? 2,400 At 2.4 At 24 At 240 At 2,400 At 2.4 At 24 At 240 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is At/m tesla Wb At/Wb At/m tesla Wb At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism An electromagnetic field exists only when there is an increasing current current decreasing current voltage an increasing current current decreasing current voltage ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A permeable substance is one which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily which is a strong magnet which is a good conductor which is a bad conductor through which the magnetic lines of force can pass very easily ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the flux density when the flux is 5.5 Wb and the cross-sectional area is 6 × 10–3 m2? 91 T 91.7 T 9.7 T 917 T 91 T 91.7 T 9.7 T 917 T ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber None of the listed here Tesla Lumens Weber None of the listed here Tesla Lumens ANSWER DOWNLOAD EXAMIANS APP
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