Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Elliptical Cardoid or Limacon Circle Semicircle Elliptical Cardoid or Limacon Circle Semicircle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Poor directivity Narrow bandwidth Low directional coupling High standing wave ratio Poor directivity Narrow bandwidth Low directional coupling High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the reactance value No change in the impedance value An increase in the value of reactance Decrease in the value of reactance No change in the reactance value No change in the impedance value An increase in the value of reactance Decrease in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 40 nj. 20 nj. 60 nj. 100 nj. 40 nj. 20 nj. 60 nj. 100 nj. ANSWER DOWNLOAD EXAMIANS APP
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