Electromagnetic Field Theory The frequency range for satellite communication is 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the None of these Power radiated per square metre Power radiated per unit solid angle in that direction Energy radiated per square metre None of these Power radiated per square metre Power radiated per unit solid angle in that direction Energy radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 12 mH. 3 mH. 48 mH. 24 mH. 12 mH. 3 mH. 48 mH. 24 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? None of these Both conduction and displacement current. Only conduction current. Only displacement current. None of these Both conduction and displacement current. Only conduction current. Only displacement current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
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