Magnetism and Electromagnetism What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200? 4 6 8 12 4 6 8 12 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
Magnetism and Electromagnetism For which of the following materials the net magnetic moment should be zero? antiferromagnetic materials antiferrimagnetic materials ferrimagnetic materials diamagnetic materials antiferromagnetic materials antiferrimagnetic materials ferrimagnetic materials diamagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is the unit of magnetic flux density? Tesla None of the listed here Lumens Weber Tesla None of the listed here Lumens Weber ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Tesla is a unit of Flux Flux density Inductance Field strength Flux Flux density Inductance Field strength ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism For a given wire-wound core, an increase in current through the coil Reverses the flux lines Decreases the flux density Causes no change in flux density Increases the flux density Reverses the flux lines Decreases the flux density Causes no change in flux density Increases the flux density ANSWER DOWNLOAD EXAMIANS APP
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