Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to (potential gradient)1/2. potential gradient. (potential gradient)1/3. (potential gradient)2. (potential gradient)1/2. potential gradient. (potential gradient)1/3. (potential gradient)2. 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 Amplitude timing and phase correction Polarization shifting and code diversity Path diversity and frequency diversity Antenna replacement and feed correction Amplitude timing and phase correction Polarization shifting and code diversity Path diversity and frequency diversity Antenna replacement and feed correction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be parallel to axis. zero. perpendicular to axis. at an angle 45o with the axis. parallel to axis. zero. perpendicular to axis. at an angle 45o with the axis. 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. 4.56 A. 18.08 A. 2.28 A. 9.04 A. 4.56 A. 18.08 A. 2.28 A. 9.04 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 10. 20. 50. 5. 10. 20. 50. 5. ANSWER DOWNLOAD EXAMIANS APP
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