Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 3b a = b a = 2b a = b/4 a = 3b a = b a = 2b a = b/4 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Accelerated Retarded Totally retarded Neither accelerated nor retarded Accelerated Retarded Totally retarded Neither accelerated nor retarded 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. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. Unity. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory XEROX machine is working on electrostatic effect. peltier effect. magnetic effect. heating effect of current. electrostatic effect. peltier effect. magnetic effect. heating effect of current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 450. 600. 300. 150. 450. 600. 300. 150. ANSWER DOWNLOAD EXAMIANS APP