Magnetism and Electromagnetism Air gap has_______eluctance as compared to iron or steel path lower zero higher little lower zero higher little ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for permeability is Wb/At × m Wb At/m At/Wb Wb/At × m Wb At/m At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Fleming's left hand rule is used to find Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid Polarity of a magnetic pole Direction of magnetic field due to current carrying conductor Direction of force on a current carrying conductor in a magnetic field Direction of flux in a solenoid ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Ferrites are a sub-group of Ferri-magnetic material Non-magnetic materials Ferro magnetic material Paramagnetic material Ferri-magnetic material Non-magnetic materials Ferro magnetic material Paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism How does the magnetic compass needle behave in a magnetic field? It assures a position which follows a line of magnetic flux It starts rotating None of the listed here It assures a position right angle to magnetic field It assures a position which follows a line of magnetic flux It starts rotating None of the listed here It assures a position right angle to magnetic field 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 200 At 150 At 300 At 100 At 200 At 150 At 300 At ANSWER DOWNLOAD EXAMIANS APP