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Determine the trigonometric Fourier series representation for the signalf (t) = 2 -1/2< t < 1/20 elsewareover the interval (-1,1).
Assume A is the MSB and B is the LSB. The circuit produces an output of 1 if and only if the sum of the current 2-bit input and the previous 2-bit input is equal to 6. Design the circuit using as few D flip flops as possible. Draw the state diagra..
A pulsar lies 1000 light years from Earth. The average plasma concentration is 1 el/cc. Using the plasma dispersion relationship for group speed, what is the group delay between a pulsar pulse received at 1 GHz and at 800 MHz
A farmer owns two barns; one north of a creek and the other south of the creek. The farmer has a Cabbage, a Goat, and a Wolf. The Farmer needs to put each item in a barn every night. If the Cabbage and Goat are in the same barn
A current sheet with K = 10a A/m lies in free space in the z = 2m plane. A filamentary conductor on the x-axis carries a current of 2,5 A in the a direction. Determine the force per unit length on the conductor.
A circuit designer requires a gain of 25 (+or -) 1% V/V using an amplifier whose gain varies by a factor of 10 over temperature and time. What is the lowest gain required. The nominal gain. The value of B(beta).
Problem on complex power, An electric load operates at 240 volts. The load absorbs an average power of 8Kw at a lagging power factor of 0.8.
A semiconductor, in thermal equilibrium, has a hole concentration of p0 = 2x1016 cm-3. The minority carrier life time = 3x10-7 s. (Assume, ni = 1010 cm-3) (a) Determine the thermal equilibrium recombination rate of electrons.
The secondary's of a step-down, three-phase transformer bank are delta connected and supply a three-phase 240v moter that draws 12A through each line. What is the current in each transformer winding If the turn ratio of the transformers
Design a multi-function unit with 4 functions chosen using select inputs s1s0. The unit has two 2-bit inputs (A = a1,a0 and B = b1,b0) and 4-bit output (z3,z2,z1,z0). The unit performs A+B (s1s0 = 00), AB (s1s0 = 01), A2+B (s1s0 = 10)
The speed of a separately excited DC motor is controlled by asingle-phase semiconverter . The field current, which is alsocontrolled by a semiconverter, is set to the maximum possiblevalue. The AC supply voltage to the armature and field converter..
b) find nonhomogeneous solution with method of undetermined coefficient with constants evaluated c) combine homogeneous soluton with nonhomogeneous solution to form the general solution calculate the unknown constant in homogeneous part
Steel surfaces can be hardened by carburization. During one such treatment at 1000°C, there is a drop in carbon concentration from 5 to 4 at% carbon between 1 and 2 mm from the surface of the steel. Estimate the flux of carbon atoms into the steel
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