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QUESTION: Electromagnetic Fields and Waves
(a) Illustrate with help of diagrams the Cartesian, Cylindrical and Spherical coordinate systems.
(b) Lay down the assumptions for a planar or Transverse Electro Magnetic (TEM) wave.
(c) Give an example of how Faraday's law could be applied in situations of heavy lightning.
(d) Write the equations of Maxwell for free space.
Verify the resistance of 1200 m of copper cable having a diameter of 12 mm if the resistivity of copper is 1.7 x 10-8 Ωm
An oil-filled transformer has a c.m.r. of 500 kVA which allows it to run continuously in an ambient of 35°C with an oil temperature rise of 50°C. The transformer has a time constan
(a) Evaluate whether the sinusoidal signal x(t) = A cos (2πf 0 t + θ) is an energy-type or a power-type signal. (b) Show that any periodic signal is not typically energy type, a
1. Find the slope and the y-intercept of the line whose equation is 5x + 6y = 7. 2. Find the equation of the line that is parallel to 2x + 5y = 7 and passes through the midpoint
Q. Radiation intensity pattern of Antennas? Antennas do not radiate power equally in all directions in space. The radiation intensity pattern describes the power intensity (whi
Q. Draw a block diagramfor a 2-to-4 decoder. Obtain the truth table, and develop a logic diagram.
Q. ADMM (digital multimeter) reads true rms values of current. If the peak value of each of the following periodic current waves is 5 A, find the meter reading for: (a) a sine wave
Q. What is the Voltage controlled resistance region? In this region the JFET can actually be employed as a variable resistor whose resistance is controlled by the applied gate
This assignment is to develop a User Requirements Specification for an electronic monitor and alarm system for an Oil Separator in Surface Water Drainage Systems. These separato
Q. Illustrate Output-rate control? A system is said to have output-rate damping when the generation of the output quantity in some way ismade to depend upon the rate atwhich th
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