Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 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. 12t. 24t. 12t3. 4t3. 12t. 24t. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and filament current only. surface current only. (A), (B), and (D) are all correct. volume current only. filament current only. surface current only. (A), (B), and (D) are all correct. volume current only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction 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? 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP