Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 113.04 µH. 113.04 mH. 37.68 mH. 37.68 µH. 113.04 µH. 113.04 mH. 37.68 mH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watts/metre2. Watt × metre. Watt/metre. Watt × metre2. Watts/metre2. Watt × metre. Watt/metre. Watt × metre2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections At waveguide can be coupled to a coaxial cable Waveguides can handle large power at UHF and microwaves Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections At waveguide can be coupled to a coaxial cable Waveguides can handle large power at UHF and microwaves 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 group velocity. phase velocity. velocity of propagation. normal velocity. group velocity. phase velocity. velocity of propagation. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Circle Elliptical Cardoid or Limacon Semicircle Circle Elliptical Cardoid or Limacon Semicircle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS