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1. Briefly outline the procedure involved in the successive solution of Maxwell's equations.
2. How does the technique of successive solution of Maxwell's equations reveal the interaction between the electric and magnetic fields giving rise to wave propagation?
3. State the wave equation for the case of
How is it derived?
A 200V dc motor is loaded by a constant torque of 10 NM. The armature resistance of the motor is 2Ω, and the field constant Kφ=2.5V s. Calculate the motor speed.
When room temperature exceeds approximately 82 degrees Fahrenheit, turn on a red LED. Use a PNP transistor to turn on one LED and an NPN transistor to turn on the other LED. Wire the LED's as parrellel loads. Build a bipolar power supply.
Consider two signals that have the same frequency. When the amplitude of the first signal is at its maximum, the amplitude of the second signal is at half its maximum from the zero level. What is the phase shift between the two signals
The current through R is to be measured using an ammeter. Find the current in R with and withought ammeter for a. R=50 b. R=5 c. R=0.5 The ammeter resistance is 5 ohm.
A pn junction diode and a Schottky diode have equal cross-sectional areas and have forward-bias currents of 0.5 mA. The reverse-saturation current of the Schottky diode isIS= 5× 10-7A. The difference in forward-bias voltages between the two diodes..
Suppose that a new transmission line is to be added to the power system between Bus 1 and Bus 4. The line is rated at 200 MVA, and its series impedance is 0.008 + j0.064 pu. Assume that no capacitors have been added to the system, and determine t..
What is the symbol rate of the earth station transmissions? What is the bit rate of the earth station transmissions? What is the duration of the burst transmission from each earth station?
Three single-phase transformers are connected in a wye/delta configuration. Each single-phase transformer has an identical number of turns in the primary and secondary windings.
A wire is bent in the form of a half loop of radius a=10mm and charged with a line charge density pL=10^-9 C/m. Calculate the field intensity at the center of the loop.
Calculate the efficiency of motor and generator of each having 0.0150 Ω armature resistance.
An op amp differential amplifier is built using four identical resistors, each havign a tolerance of ±5%. Calculate the worse possible CMRR.
What is the maximum value of N0 for an FM cell phone whereby ST=
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