Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Log-periodic Square loop Conical horn Folded dipole Log-periodic Square loop Conical horn Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth High standing wave ratio Low directional coupling Poor directivity Narrow bandwidth High standing wave ratio Low directional coupling Poor directivity 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 2.16. Infinity. 4.32. Zero. 2.16. Infinity. 4.32. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to Both of A and B. A monopole. A quardra pole. A dipole. Both of A and B. A monopole. A quardra pole. A dipole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = J. Curl of B = J. Divergence of B = 0. Curl of B = 0. Divergence of B = J. Curl of B = J. Divergence of B = 0. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
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