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 Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Hysteresis. Coercivity. Saturation magnetism. Retentivity. Hysteresis. Coercivity. Saturation magnetism. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. group velocity. normal velocity. phase velocity. velocity of propagation. group velocity. normal velocity. phase velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as non - conductor. non - linear conductor. bad conductor. reverse conductor. non - conductor. non - linear conductor. bad conductor. reverse conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 80π coulombs. 10π coulombs. 40π coulombs. none of these. 80π coulombs. 10π coulombs. 40π coulombs. none of these. ANSWER DOWNLOAD EXAMIANS APP
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