Magnetism and Electromagnetism Fleming's left hand rule is used to find Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor Direction of flux in a solenoid Polarity of a magnetic pole Direction of force on a current carrying conductor in a magnetic field Direction of magnetic field due to current carrying conductor ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)? 90 360 270 180 90 360 270 180 ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The magnetic materials exhibit the property of magnetisation because of orbital motion of electrons either of these spin of nucleus spin of electrons orbital motion of electrons either of these spin of nucleus spin of electrons ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be 0.24 N 24 N 240 N 2.4 N 0.24 N 24 N 240 N 2.4 N ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Paramagnetic materials have relative permeability slightly less than unity equal to unity equal to that ferromagnetic mate rials slightly more than unity slightly less than unity equal to unity equal to that ferromagnetic mate rials slightly more than unity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The left hand rule correlates to Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor Current, magnetic field and direction of force on a conductor Current, induced e.m.f. and direction of force on a conductor Magnetic field, electric field and direction of force on a conductor Self induction, mutual induction and direction of force on a conductor ANSWER DOWNLOAD EXAMIANS APP