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 emf induced in a conductor rotating in bipolar field is DC and AC both. AC. DC. none of these. DC and AC both. AC. DC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of None of these induced emf. magnetic field. rotor rotation. None of these induced emf. magnetic field. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is Zero. 2.16. 4.32. Infinity. Zero. 2.16. 4.32. Infinity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 3.768 μH. 113.04 μH. 37.68 μH. 1.1304 μH. 3.768 μH. 113.04 μH. 37.68 μH. 1.1304 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Infinite Zero Very high Very low Infinite Zero Very high ANSWER DOWNLOAD EXAMIANS APP