Magnetism and Electromagnetism The attraction capacity of electromagnet will increase if the Flux density increases Flux density decreases Core length increases Core area increases Flux density increases Flux density decreases Core length increases Core area increases ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Reciprocal of permeability is Reluctivity Susceptibility Permeability conductance Reluctivity Susceptibility Permeability conductance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It assures a position which follows a line of magnetic flux It starts rotating None of the listed here It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux It starts rotating None of the listed here It assures a position right angle to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following type of materials are not very important for engineering applications? Paramagnetic material Ferro magnetic material None of the listed here Diamagnetic material Paramagnetic material Ferro magnetic material None of the listed here Diamagnetic material 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? 2,400 At 24 At 240 At 2.4 At 2,400 At 24 At 240 At 2.4 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a universal constant scalar quantity pole strength vector quantity universal constant scalar quantity pole strength vector quantity ANSWER DOWNLOAD EXAMIANS APP
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