Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Infinite Zero Very high Very low Infinite Zero Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. high hysteresis coefficient. small B-H loop area. large coercivity. high resistivity. high hysteresis coefficient. small B-H loop area. large coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Low frequency Microwave frequency Medium frequency High frequency Low frequency Microwave frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Poor directivity Low directional coupling Narrow bandwidth High standing wave ratio Poor directivity Low directional coupling Narrow bandwidth High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 1/75. 75. 100. 50. 1/75. 75. 100. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 4t3. 24t. 12t3. 12t. 4t3. 24t. 12t3. 12t. ANSWER DOWNLOAD EXAMIANS APP
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