Magnetism and Electromagnetism What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m? 10 AT 4 AT 8 AT 16 AT 10 AT 4 AT 8 AT 16 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound 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 What is the magnitude and the direction of force per 1.1m length of a pair of conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ? 22 x 10"5 N 22 x 10"8 N 22 x 10-6 N 22 x 10"7 N 22 x 10"5 N 22 x 10"8 N 22 x 10-6 N 22 x 10"7 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is proportional to X inversely proportional to I proportional to distance between the conductors proportional to 7 proportional to X inversely proportional to I proportional to distance between the conductors proportional to 7 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is tesla At/Wb Wb At/m tesla At/Wb Wb At/m ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The initial permeability of an iron rod is The permeability almost in non-magnetised state The permeability at the end of the iron rod The highest permeability of the iron rod The lowest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The highest permeability of the iron rod The lowest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
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