Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 0.015 J. 0.15 J. 1.15 J. 0.5 J. 0.015 J. 0.15 J. 1.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Microwave frequency Low frequency High frequency Medium frequency Microwave frequency Low frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VLF HF UHF VHF VLF HF UHF VHF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) sin(ωt - β z)(ux) A/m. None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(ux) A/m. None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called virtually induced emf. dynamically induced emf. static induced emf. none of these virtually induced emf. dynamically induced emf. static induced emf. none of these ANSWER DOWNLOAD EXAMIANS APP
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