Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A standing wave which is not progressing A stronger reflected wave A stronger incident wave None of these A standing wave which is not progressing A stronger reflected wave A stronger incident wave None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/3. (potential gradient)2. (potential gradient)1/2. potential gradient. (potential gradient)1/3. (potential gradient)2. (potential gradient)1/2. potential gradient. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 9.04 A. 18.08 A. 2.28 A. 4.56 A. 9.04 A. 18.08 A. 2.28 A. 4.56 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as bad conductor. non - linear conductor. non - conductor. reverse conductor. bad conductor. non - linear conductor. non - conductor. reverse conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Retardation Oscillating Accelerating Lagging the current Retardation Oscillating Accelerating ANSWER DOWNLOAD EXAMIANS APP