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A thermocouple has a time constant of 2 sec. A thermal well has a time constant of 30 sec. When the thermocouple is inserted into the well, this tempera turemeasuring device can be considered a two-capacitance systemDetermine the time constants of the combined thermocouple-thermal-well system Assume that the weight of the thermocouple is 8 g and the weight of the thermal well is 40g. Assume also that the specific heats of the thermocouple and thermal well are the same
Assume the factory described in the previous problem is fed from a line having an impedance of 0.02 + j0.16-ohm. The voltage at the factory is maintained at 480 V(rms). Find the average power loss in the line before and after the load is added.
Determine the corner frequencies and the limiting horizontal asymptotes of a common-emitter circuit with an emitter by pass capacitor. Consider the circuit with the parameters Re=4kΩ,Rc=2kΩ,Rs=0.5kΩ,Ce=1μF,v+=5v,V- =-5v.
A sequential circuit hast two inputs (w1 and w2) and one output (z). Its function is to compare the input sequences on the two inputs. If w1 = w2 during any four consecutive clock cycles, the circuit produces a z=1; otherwise, z=0.
A charged 100-pf capacitor has initial voltage across it of 10V. a 100kohm resistor is suddenly connected across the capacitor (at t=0) to discharge it. What is the magnitude of the instantaneous current at 20 usec?
What is the error-correcting coding overhead that will be added to each signal - what spectrum is required for each of the sensor signals?
1- Describe the function of the program. DO NOT WRITE THE OPERATION OF EACH INSTRUCTION 2- Assuming that the branch instruction is executed (the branch is taken), comput the number of clock cycles required to execute the loop (DECA or BNE AGAIN)
Ziegler-Nichols Open Loop Tuning Often, when working with a faster loop, many people will opt only for a PI control philosophy
Find the change in currents due to change of voltage by (a) 5mv, (b) -10mv, (c) 15mv using small signal model and exponential model of diode with n= 1 and biased at 2mA.
A voltage regulator circuit uses a Zener diode that exhibits a total voltage of 6.8 V at 5 mA. The resistance Rz = 20 O. The supply voltage V+ is nominally 10 V but can vary by ±1.5 V, and the resistance R = 0.5 kO (use the regulator circuit diagr..
The reliability performance of each microprocessor is based on the exponential reliability distribution with the following failure rates: A = 23.5 × 10^-3 , B = 12.5 × 10^-4 , C = 12.5 × 10^-4 and D = 23.5 × 10^-3
For a PMAC (permanent-magnet ac) machine, what would happen if the supplied frequency is not same with the rotating frequency of the rotor
Draw up a flow chart for testing any four-terminal MOSFET with an ohmmeter which can be used to conclusively determine which lead is the gate, which lead is the body, whether the device is an n-channel or p-channel, and whether the device is a D-m..
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