Electromagnetic Field Theory A Yagi antenna has a driven antenna Only With one or more directors With a reflector With a reflector and one or more directors Only With one or more directors With a reflector With a reflector and one or more directors ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 3332.47 N. 832.29 N. 6664.8 N. 1666.22 N. 3332.47 N. 832.29 N. 6664.8 N. 1666.22 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 40 V. 80 V. 8 V. 60 V. 40 V. 80 V. 8 V. 60 V. 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. Infinity. 4.32. Zero. 2.16. Infinity. 4.32. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 2. 1. 4. 8. 2. 1. 4. 8. ANSWER DOWNLOAD EXAMIANS APP