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 15 joules. 12 joules. 24 joules. 30 joules. 15 joules. 12 joules. 24 joules. 30 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height Higher than Less than Equal to No relation Higher than Less than Equal to No relation ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Folded dipole None of these Marconi antenna Hertz antenna Folded dipole None of these Marconi antenna ANSWER DOWNLOAD EXAMIANS APP
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