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 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Marconi antenna None of these Folded dipole Hertz antenna Marconi antenna None of these Folded dipole ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low hysteresis loss. low permeability. high permeability. both a and b. low hysteresis loss. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory RF inductor are characterized by low current rating and low resistance. high current rating and high resistance. low current rating and high resistance. high current rating and low resistance. low current rating and low resistance. high current rating and high resistance. low current rating and high resistance. high current rating and low resistance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Cork Screw rule is used to find direction of electric field. direction of magnetic field. direction of current. direction of emf. direction of electric field. direction of magnetic field. direction of current. direction of emf. ANSWER DOWNLOAD EXAMIANS APP
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