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 The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle Figure of eight Null None of these Circle Figure of eight Null None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
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 Loss coefficient Front to back ratio Transmission efficiency None of these Loss coefficient Front to back ratio Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? 0 either 1 or 2 None of these maximum 0 either 1 or 2 None of these maximum ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Milli- henry. Ohm. Ampere turns. Webers / m. Milli- henry. Ohm. Ampere turns. Webers / m. ANSWER DOWNLOAD EXAMIANS APP