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 lowest permeability of the iron rod The highest permeability of the iron rod The permeability almost in non-magnetised state The permeability at the end of the iron rod The lowest permeability of the iron rod The highest permeability of the iron rod ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil decreases the flux density increases the flux density causes no change in flux density reverses the flux lines decreases the flux density increases the flux density causes no change in flux density reverses the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a vector quantity? Flux density Relalative permeability Magnetic potential Magnetic field intensity Flux density Relalative permeability Magnetic potential Magnetic field intensity 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 10-6 N 22 x 10"5 N 22 x 10"7 N 22 x 10"8 N 22 x 10-6 N 22 x 10"5 N 22 x 10"7 N 22 x 10"8 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage increases reverses polarity decreases remains unchanged increases reverses polarity decreases remains unchanged ANSWER DOWNLOAD EXAMIANS APP