Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Low frequency Medium frequency Microwave frequency High frequency Low frequency Medium frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of None of these rotor rotation. induced emf. magnetic field. None of these rotor rotation. induced emf. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 1.4 V. 2.88 V. 28.8 V. 14.40 V. 1.4 V. 2.88 V. 28.8 V. 14.40 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A satellite that simply reflect back the signals from one region of the earth to the other region is known as Geostationary satellite Orbiting satellite Active satellite Passive satellite Geostationary satellite Orbiting satellite Active satellite Passive satellite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these A standing wave which is not progressing A stronger incident wave A stronger reflected wave None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. ANSWER DOWNLOAD EXAMIANS APP