Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 37.68 μH. 3.768 μH. 1.1304 μH. 113.04 μH. 37.68 μH. 3.768 μH. 1.1304 μH. 113.04 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere-meter square. Ampere. Coulomb. Ampere meter. Ampere-meter square. Ampere. Coulomb. Ampere meter. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Constant None of these Both A and B Unity Constant None of these Both A and B Unity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.19 m. 1.59 m. 1.29 m. 1.39 m. 1.19 m. 1.59 m. 1.29 m. 1.39 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. 15 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
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