Magnetism and Electromagnetism A permanent magnet Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts only ferromagnetic substances Attracts all paramagnetic substances and repels others Attracts ferromagnetic substances and repels all others Attracts some substances and repels others Attracts only ferromagnetic substances 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 of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line vertical to the flux lines A line of magnetic flux in a non-uniform field A line of magnetic flux which does not follow the designed path The mean length of a ring shaped coil A line vertical to the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of flux in a solenoid Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Polarity of a magnetic pole Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is expected to have the maximum permeability ? Ebolite Brass Zinc Copper Ebolite Brass Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the magneto-motive force in a 75-turn coil of wire when there are 4 A of current through it? 100 At 150 At 300 At 200 At 100 At 150 At 300 At 200 At ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Unit for quantity of electricity is Ampere Ampere-hour Coulomb Joule Ampere Ampere-hour Coulomb Joule ANSWER DOWNLOAD EXAMIANS APP