Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. None of above. 0.335 C. 0. 0.335/sinθ c. None of above. 0.335 C. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 8 V. 40 V. 80 V. 60 V. 8 V. 40 V. 80 V. 60 V. 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 exits between the conductor and the ground. The maximum electric stress occur at The upper surface of the conductor. The lower surface of the conductor. Midway between the conductor and ground. The ground surface. The upper surface of the conductor. The lower surface of the conductor. Midway between the conductor and ground. The ground surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to RBT. 2RBT. R2B / T. R2BT. RBT. 2RBT. R2B / T. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Tee Directional Coupler Balun Slotted line Tee Directional Coupler Balun Slotted line 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. 2.28 A. 18.08 A. 9.04 A. 4.56 A. 2.28 A. 18.08 A. ANSWER DOWNLOAD EXAMIANS APP
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