Engineering, 30.10.2019 02:31 jrfranckowiak
In experiment 1, when you measured the output with the 51 ohm resistor load in place, you probably still noticed some loading effect. this is because an op amp can only output a certain amount of current before it begins behaving nonlinearly. every op amp has a maximum positive current, called "sourcing current", that it can generate to drive a load. (likewise there is also a maximum negative current, called "sinking current" that can flow into the output terminal of the op amp.) look up the lf412 spec sheet and find nominal value(s) for this sourcing current limit. based on this value, determine the minimum load resistance that could be driven by the lf412 op amp without experiencing any loading effects in experiment 1.
Answers: 2
Engineering, 06.07.2019 03:10, cicimarie2018
What is the direction and how to operate the lathe?
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Engineering, 06.07.2019 03:20, leapfroggiez
An air-conditioning system consists of a heating section and an evaporative cooler. air enters the heating section at 10°c and 70 percent relative humidity at a rate of 30m^3/min, and it leaves the evaporative cooler at 20°c and 60 percent relatively humidity. if the air conditioning system operates at a total pressure of 98 kpa, determine (a) the temperature and relative humidity of the air when it leaves the heating section, (b) the rate of heat transfer in the heating section, and (c) the rate of water added to air in the evaporative cooler
Answers: 2
In experiment 1, when you measured the output with the 51 ohm resistor load in place, you probably s...
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