Magnetism and Electromagnetism The direction of magnetic lines of force is From one end of the magnet to another None of the listed here From north pole to south pole From south pole to north pole From one end of the magnet to another None of the listed here From north pole to south pole From south pole to north pole 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 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 0.24 N 2.4 N 240 N 24 N 0.24 N 2.4 N 240 N 24 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force (mmf) of a wire with 8 turns carrying three amperes of current? 24 At 2,400 At 2.4 At 240 At 24 At 2,400 At 2.4 At 240 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetising steel is normals difficult because it corrodes easily it has low permeability it has high permeability it has high specific gravity it corrodes easily it has low permeability it has high permeability it has high specific gravity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage Decrease None of the listed here Is zero Increase Decrease None of the listed here Is zero Increase ANSWER DOWNLOAD EXAMIANS APP
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