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 100 nj. 60 nj. 40 nj. 20 nj. 100 nj. 60 nj. 40 nj. 20 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 1.32 mm. 0.88 mm. 1.77 mm. 0. 1.32 mm. 0.88 mm. 1.77 mm. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. cooling. overload capacity. short time rating. rating. cooling. overload capacity. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field it has no sink or sources. it is solenoidal. magnetic flux lines are always closed. it is conservative. it has no sink or sources. it is solenoidal. magnetic flux lines are always closed. it is conservative. ANSWER DOWNLOAD EXAMIANS APP