Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Folded dipole Square loop Conical horn Log-periodic Folded dipole Square loop Conical horn Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. 106 volts/sec. 106 volts. 106 Amp. 106 Amp/sec. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Polarization shifting and code diversity Path diversity and frequency diversity Antenna replacement and feed correction Amplitude timing and phase correction Polarization shifting and code diversity Path diversity and frequency diversity Antenna replacement and feed correction Amplitude timing and phase correction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? 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. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
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