Magnetism and Electromagnetism For a given wirewound core, an increase in current through the coil 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 causes no change in flux density ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit of relative permeability is Its dimensionless Hennry Hennry/meter None of the listed here Its dimensionless Hennry Hennry/meter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetism of a magnet can be destroyed by Hammering All of the listed here Heating By inductive action of another magnet Hammering All of the listed here Heating By inductive action of another magnet ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Weber Lumens None of the listed here Tesla Weber Lumens None of the listed here Tesla ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The use of permanent magnets is. not made in Transformers Energy meters Loud speakers None of the listed here Transformers Energy meters Loud speakers None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism In a simple magnetic field the strength of magnet flux is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value is constant and has same value in energy part of the magnetic field increases continuously from initial value to final value first increases and then decreases till it becomes zero decreases continuously from initial value to final value ANSWER DOWNLOAD EXAMIANS APP