Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 3.75 N. 7.5 N. 20 N. 15 N. 3.75 N. 7.5 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Low frequency Microwave frequency High frequency Medium frequency Low frequency Microwave frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? None of these Hertz antenna Folded dipole Marconi antenna None of these Hertz antenna Folded dipole Marconi antenna 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 Antenna replacement and feed correction Path diversity and frequency diversity Amplitude timing and phase correction Polarization shifting and code diversity Antenna replacement and feed correction Path diversity and frequency diversity Amplitude timing and phase correction Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. high permeability. low permeability. low hysteresis loss. both a and b. high permeability. low permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. None of these. 100. 1000. 500. None of these. 100. 1000. 500. ANSWER DOWNLOAD EXAMIANS APP
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