Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Log-periodic Conical horn Square loop Folded dipole Log-periodic Conical horn Square loop ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Point to point communication Tv broadcast All of these Radio astronomy Point to point communication Tv broadcast All of these Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Zero. Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. Unity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. overload capacity. short time rating. cooling. rating. overload capacity. short time rating. cooling. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. Equal to volume change density. Equal to the surface charge density. Equal to total charge enclosed by the surface. Zero. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP
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