Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication Radio astronomy All of these TV broadcast Point-to-point communication Radio astronomy All of these TV broadcast ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very high Very low Zero Infinite Very high Very low Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. virtually induced emf. static induced emf. None of these dynamically induced emf. virtually induced emf. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 10 mm. 8.4 mm. 4 mm. 2.4 mm. 10 mm. 8.4 mm. 4 mm. 2.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as capacitance. mutual inductance. self inductance. series aiding inductance. capacitance. mutual inductance. self inductance. series aiding inductance. ANSWER DOWNLOAD EXAMIANS APP