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A 400-km long lossless delivering 600 MVA to a load at 345 KV, 0.8 pf lag. The line transfer parameters are : A=D=0.9; B=j200 & C=j0.002.a0. Calculate the sending and voltage , current and voltage regulation. using the line loadability equation, calculate the line surge impedance loading ' SIL" and the normal operating voltage ( assume d=40).
A Na+ ion moves from inside a cell, where the electric potential is -70 mV , to outside the cell, where the potential is 0 V. What is the change in the ion's electric potential energy as it moves from inside to outside the cell
An amplifier using balanced power supplies is known to saturate for signals extending within 1.2 V of either supply. For linear operation its gain is 500 V/V. What is the rms value of the largest undistorted sine-wave output available,
the output voltage of battery drop from 6V .With no load to 5.2V with a load current of 400mA. calculate the internal resistance.
Suppose a constant force of kinetic friction acts between the block and the surface, with k = 0.53. If the speed of the block at the moment it collides with the spring is vA = 1.4 m/s, what is the maximum compression xC in the spring
an electric motor has an armture constant of 140, a flux of 25 mwh, an armuture current of 30 A , and a rotatio?nal speed of 1600 rpm. what is most nearly the power output in watt
how can one go about to decode a message from a wav file. the wave contain a coded message in form numbers. which is represented in the wave in form of tones
There is a 50 Mhz clock signal on the FPGA board. we want to have a 1 Hz signal for testing all the designs. Find out what size of the counter we need in order to obtain this signal from the on board clock.
Implement a magnitude comparator circuit which compares two-bit binary numbers A and B, and provides 3 outputs (A>B, A=B, A
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers.
(a) At t = 0, the current flowing in a 0.5-H inductance is 4 A. What constant voltage must be applied to reduce the current to 0 at t = 0.2 s (b) Starting at t = 0, a constant 12-V voltage source is applied to a 2-H inductor.
the magnetic circuit of an inductance coil has a reluctance of 1500 A-t/Wb. the coil is wound with 200 turns of aluminum wire, and draws 3 A when connected to a 24-V battery. determine (a) the core flux; (b) the resistance of the coil.
A small buck converter has 24 V input and 12 V output. The transistor has Rds(on) - 0.1 Ohm. The diode is modelled as a 1.0 V drop. Each device has junction to ambient Rtheta(ja) = 40 K/W and Tjunction
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