Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz 300 to 3000 kHz 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. 900 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of neutrons. electric field. electrons. protons. neutrons. electric field. electrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation y direction. z direction. – y direction. – z direction. y direction. z direction. – y direction. – z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will will move out of the field of influence of two charges. be in unstable equilibrium. remain in stable equilibrium. not be equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. remain in stable equilibrium. not be equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With one or more directors With a reflector and one or more directors With a reflector Only With one or more directors With a reflector and one or more directors With a reflector Only ANSWER DOWNLOAD EXAMIANS APP
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