Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Square loop Conical horn Folded dipole Log-periodic Square loop Conical horn Folded dipole Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Current of the antenna Distance of the point from the antenna Wave frequency Antenna height Current of the antenna Distance of the point from the antenna Wave frequency Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 0.5. 2.0. 1.0. Zero. 0.5. 2.0. 1.0. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Transmission Reflection None of these Refraction Transmission Reflection None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. 0.335 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – 2 ux. 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. ANSWER DOWNLOAD EXAMIANS APP
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