Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the reactance value No change in the impedance value Decrease in the value of reactance An increase in the value of reactance No change in the reactance value No change in the impedance value Decrease in the value of reactance An increase in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 3000 to 30000 MHz 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz 3000 to 30000 MHz 300 to 3000 kHz 3 to 30 kHz 30000 to 300000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Top loading of antenna Any of the above Use of larger section of conductor Providing insulation on conductor Top loading of antenna Any of the above Use of larger section of conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 200 V. 0 V. 900 V. 1800 V. 200 V. 0 V. 900 V. 1800 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce 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 A standing wave which is not progressing A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. overload capacity. cooling. short time rating. rating. overload capacity. cooling. short time rating. ANSWER DOWNLOAD EXAMIANS APP
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