Magnetism and Electromagnetism The unit of flux is the same as that of Pole strength Resistance Reluctance Permanance Pole strength Resistance Reluctance Permanance ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Copper Aluminium Nickel Tungsten Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil causes no change in flux density decreases the flux density increases the flux density reverses the flux lines causes no change in flux density decreases the flux density increases the flux density reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as A line of magnetic flux in a non-uniform field A line vertical to the flux lines A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line of magnetic flux in a non-uniform field A line vertical to the flux lines A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil 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? 1111 At/Wb 111 At/Wb 11 At/Wb 1 At/Wb 1111 At/Wb 111 At/Wb 11 At/Wb 1 At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In the left hand rule, forefinger always represents current Voltage direction of force on the conductor magnetic field current Voltage direction of force on the conductor magnetic field ANSWER DOWNLOAD EXAMIANS APP
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