Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The ground surface. The lower surface of the conductor. The upper surface of the conductor. Midway between the conductor and ground. The ground surface. The lower surface of the conductor. The upper surface of the conductor. Midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and surface current only. (A), (B), and (D) are all correct. volume current only. filament current only. surface current only. (A), (B), and (D) are all correct. volume current only. filament current only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. R2B / T. RBT. R2BT. 2RBT. R2B / T. RBT. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 64 A / s. 4 A / s. 32 A / s. 16 A / s. 64 A / s. 4 A / s. 32 A / s. 16 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n = K. n = - k. n. k = 0. n × k = 0. n = K. n = - k. n. k = 0. ANSWER DOWNLOAD EXAMIANS APP
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