Electromagnetic Field Theory RF inductor are characterized by high current rating and high resistance. low current rating and low resistance. high current rating and low resistance. low current rating and high resistance. high current rating and high resistance. low current rating and low resistance. high current rating and low resistance. low current rating and high resistance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 4.56 A. 9.04 A. 2.28 A. 18.08 A. 4.56 A. 9.04 A. 2.28 A. 18.08 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity Constant None of these Both A and B Unity Constant None of these Both A and B 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 15 joules. 12 joules. 30 joules. 24 joules. 15 joules. 12 joules. 30 joules. 24 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. generation of electricity in ferromagnetic materials. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. generation of electricity in ferromagnetic materials. change in physical dimensions of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called static induced emf. virtually induced emf. None of these dynamically induced emf. static induced emf. virtually induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
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