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Explain the principle of a thermocouple. Give two examples of some common thermocouples.
Thermocouples: They are used for the measurement of temperature. While two wires of various type metals are joined together an emf exits across the junction that dependent on the kinds of metals or alloys used and also directly proportional to temperature of junction. Depending upon the range of temperature to be measured, esxact materials are to be selected for a thermocouple. When one junction termed as the cold junction is held at an identified constant temperature, the emf produced becomes measure of the temperature of other junction. The emf generated by a thermocouple is very small but this can be measured along with reasonable accuracy through a sensitive moving coil millivoltmeter that can be calibrated in terms of temperature. Several of the materials used for thermocouples are iron/constantan and copper/constantan.
Q. The two-wattmeter method for measuring three-phase power is applied on a balanced wye-connected load, and the readings are given by W C = 836W and W A = 224 W If the system
thus secondary winding of transformer consists of neutral line or not?
Q. For the circuit shown in Figure, develop and execute a PSpice program to obtain the node voltages and the current through each element.
a short review article on the classification of time frame
Consider an RLC series circuit excited by v(t) = V m cos ωt in the time domain. By using superposition, solve for the time-domain forced response of the resultant current through
Bus Interface Unit and implementation unit, are the two dissimilar functional units in 8086.
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why conductance is not zero at end pont? reply as soon as possible.
For a helical antenna, the half-power beamwidth and directive gain are given by where C = πD, N = L/S, and S = C tan α,in which α is called the pitch angle, and The
Perform a Hartree-Fock geometry optimization calculation of butadiene using a minimal basis set. Repeat with the 6-311G(d,p) basis set, using the optimized minimal basis set geomet
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