Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω / π. ω/2π. ω/4π. ω. ω / π. ω/2π. ω/4π. ω. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 5 mH. 15 mH. 10 mH. 20 mH. 5 mH. 15 mH. 10 mH. 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. 9.04 A. 4.56 A. 18.08 A. 2.28 A. 9.04 A. 4.56 A. 18.08 A. 2.28 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is none of these. 80π coulombs. 40π coulombs. 10π coulombs. none of these. 80π coulombs. 40π coulombs. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna With a reflector and one or more directors With one or more directors With a reflector Only With a reflector and one or more directors With one or more directors With a reflector Only ANSWER DOWNLOAD EXAMIANS APP
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 current of 3 A will be 113.04 mH. 37.68 µH. 113.04 µH. 37.68 mH. 113.04 mH. 37.68 µH. 113.04 µH. 37.68 mH. ANSWER DOWNLOAD EXAMIANS APP
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