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A 2-conductor cable 1 km long is required to supply a constant current of 200 A throughout the year. The cost of cable including installation is Rs. (20 a + 20) per metre where 'a' is the area of X-section of the conductor in cm2 .
The cost of energy is 5P per kWh and interest and depreciation charges amount to 10%.
Calculate the most economical conductor size. Assume resistivity of conductor material to be 1.73 µΩ cm.
Perform all of the Fourier Transforms from Table starting with the definition of the Fourier Transform. You must show ALL work and draw pictures of the original and transformed signals.
Examples of element characteristics:- Strain gauge. - Copper-constantant. thermocouple. - Accelerometer. - Give a well labeled diagram of the above.
A potentiometer with a total range of 350° is supplied with a voltage of 12 Vdc. Find the output voltage for an angle of 135°. An absolute optical rotary encoder has five tracks. How many bits is the output
in the process of sampling an analog signal g(t) is multiplied by a periodic train of rectangular pulses c(t)each of unit area ,given that the pulse repetition frequency of this periodic train is fs and the duration of each rectangular pulse is T
1.write down the electrical status equation for the circuit with serial connection of RLC- elements in vector form and darw diagram for this circuit. 2. Describe the work of electrical source in the voltage generator regime. and what is the working..
Any causal signal x(t) having a Laplace transform with poles in the open left s plane (i.e. not including the jO axis)has, as we saw before, a region of convergence that includes the jO axis, and as such its Fourier transform can be found from its..
Find the nonzero value of ω for which the expression for Z(ω) given is purely real. Give your answer as a function of R, L, and C.
The laminated silicon steel core of a transformer has a mean length of 0.06 m and a cross section of 0.005 meter square. there are 150 turns on primary winding and 450 turns on the secondary. the input is 200 V rms at 50 Hz.
Derive the two-term including source match error correction formula. Note: For all of these derivations, you should identify your standards {match, short, open} but DO NOT assume anything about their values.
Bipolar Junction Transistor, A silicon n-p-n bipolar junction transistor is designed with emitter, base and collector doping levels of 10^19cm, 10^15cm and 5*10^17cm, respectively.
A 1GB DRAM uses 4-bit data and has equal-length row and column addresses. How many address pins does the DRAM have?
The p-n junction in part (a) is used as a capacitor in an LC circuit to tune two WHRO stations in your car radio. When no voltage is applied a radio station transmitting at 89.5 MHz is received. What is the voltage required to get the classical mu..
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