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 Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to block low frequencies. to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. to pass high frequencies. to pass low frequencies. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Elliptical Circle Cardoid or Limacon Semicircle Elliptical Circle Cardoid or Limacon Semicircle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. equal to that of disc and in the same direction. equal to that of disc and in the opposite direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. all of above. permeability of core. the number of their turns. cross sectional area of their common core. all of above. permeability of core. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
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