Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Infinite Very high Very low Zero Infinite Very high Very low ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. False True False True 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. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Square loop Folded dipole Log-periodic Conical horn Square loop Folded dipole Log-periodic Conical horn ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above Vertical grounded wire type Horizontal suspended wire type Parabolic reflector type Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil none of these. increases because of stray capacitance as the frequency increases. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. increases because of stray capacitance as the frequency increases. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. ANSWER DOWNLOAD EXAMIANS APP
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