Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in both. on outer surface in hollow and throughout in solid. None of above. on outer surface in hollow and throughout in solid on outer surface in both. on outer surface in hollow and throughout in solid. None of above. on outer surface in hollow and throughout in solid 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 Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 1 amp dc. 1 amp 1 Hz. 20 amp dc. 1 amp 100 Hz. 1 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 2b a = b a = 3b a = b/4 a = 2b a = b a = 3b a = b/4 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. ANSWER DOWNLOAD EXAMIANS APP