Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Top loading of antenna Use of larger section of conductor Any of the above Providing insulation on conductor Top loading of antenna Use of larger section of conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 6.25m. 0.5m. 5.25m. 0.6m. 6.25m. 0.5m. 5.25m. 0.6m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The work done in a closed path inside the fields is zero. The potential difference between two points is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The work done in a closed path inside the fields is zero. The potential difference between two points is zero. If the curl of E is identically zero. If is gradient of a scalar potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional Highly directional None of these Omnidirectional A figure of directional Highly directional None of these Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
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