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    Voltage drop

    Hi, I was wondering if anyone can help me figure out how much voltage drop is happening in this particular scenario. Here is my work: Given 200HP motor at 480V that is 300 ft. away from the starter. %VD(3phase) = [12(1.73)(300ft.)(240A)]/[(Circular mil) * (480V)] x100 I use 12 for...
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    Utilitarianism-john stuart mills

    Hi, Do anyone agree with Mill's statement that it is better to be a dissatisfied Socrates than a satisfied pig(Bentham's ethics)???
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    Currently studying Nicomachean Ethics

    Hello, Im currently studying Nicomachean Ethics, and was wondering someone can help me out with this question. I'm actually an Electrical Engineering major, so obviously Im not very good with this philosophy thing. If anyone could help me, it would greatly be appreciated. According to...
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    Need help W/ Digital Camera Design Project

    Hello, I am currently working on a Design Project for my Senior project, and the aim of this project is the development and construction of an interface between a CMOS camera and a computer. This interface allows a user to get images from the camera, to change some of the properties of the...
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    What is Locke's main argument

    Are there any other arguments regarding Locke's political philosophy? besides the belief that the government could only exist with the consent of the governed. and the belief that people have to the natural right to life, liberty, and property. any help would be appreciated.
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    Tips for passing the EIT

    Hello all, I'm about to take the EIT test this coming Saturday. If it is not too much trouble, can you guys give me some advice or tips on how i can maximize my chances of passing? Thanks
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    Epistemology, metaphysic, ethics

    Hello all, How are the metaphysics, epistemology, and ethics of each philosophy (Plato, Aristotle, Materialism, Sophists/Skepticism) connected or related to one another??? Any help would be appreciated.
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    New to philosophy

    Helllo all, I was just wondering what are the similarities and differences do philosophy and religion have with one another? I believe that each religion, insofar as it uses logical reasoning, is an example of philosophy. That's the only similarity that i can think of. thanks
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    Need help with communication system problem

    Ok, so i just started taking a course in Communication systems. So far I am confused. I am never going into communication systems, but i still have to take the required course. I'm going into either Power or Control Systems. But anyways, I really need help with this communcation problem...
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    Var(x) = E[ x^2] - (E[X])^

    Hi, Can someone please please show me why Var(x) = E[ x^2] - (E[X])^2. I just dont get it. THanks in advance. :smile:
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    Question about engineering

    Howdy, I dont know if this is the right place to post this, but i need some advice on something... I have this internship interview next Tuesday, and i'm freaking out. This is my first internship interview, and i really want to make a great impression on the company. Does anyone have any...
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    Probability Density Function - Need Help

    Probability Density Function -- Need Help!! Hi, Can someone please check my work if i did the problem correctly? thanks in advance. Here is the problem: Find the PDF of W = X + Y when X and Y have the joint PDF fx,y (x,y) = 2 for 0<=x<=y<=1, and 0 otherwise. here is my solution...
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    Sensor project relating to thermistor

    Howdy, I'm want to make a sensor dealing with thermistors, and i just dont know where to begin...Can someone please help me get started? The project can be anything...but im leaning towards measuring the temperatures vs time. using thermistors. Any help would be greatly appreciated.
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    Random variables

    Hi, I really need help with joint PDF, if anyone can help, that would be super! :smile: Random Variables X and Y have joint PDF fx,y (x, y) = 1/2 if -1 <= x <=y <= 1, and it is 0 otherwise a) what is fy (y)? b) what is fx|y (x|y)? c) what is E[X|Y = y]?
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    Autocorrelation, expectation, moment

    What is the relationship between Expectations, Moments, and Autocorrelation. Can somone please please give me some examples? thanks
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    Testing hypothesis and significance level

    Let N be the number of flips of a coin up to an including the first flip of heads. Develope a significance test for N at the alpha=0.1 to test the hypothesis H that the coin is fair. Can someone please help me with this statistics problem? I have no clue how to start it. Thank you :smile:
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    Confidence interval

    What is the 95% confidence interval for 100 ohm resister with 10% tolerence? Here is my work so far, can someone please tell me if I am doing it wrong or right? Thank you in advance. from table 95%: k = 1.96 100 * 0.1( which is the 10% tolerance) = 10 10 / sigma >= 1.96 Sigma <=...
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    Difference in probability and statistics?

    Hello, Just wondering what's the difference between probability and statistics? I can't seem to grasp the concept of it, can someone please explain the difference to me in Lehman's term? Also can someone give me an example of each? thanks in advance
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    Need help with electromagnetics

    Hi, once again i need help with electromagnetics. :grumpy: if anyone can help, it would be greatly appreciated. here is teh problem: The radius of the core and the inner radius of the outer conductor of a very long coaxial transmission line are r(i) and r(o), respectively. The space...
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    Need help with electromagnetics

    Hi, I was given this problem, but i just dont know where to start, i looked through numerous websites, and 3 books as reference, but i can't find anything that is related to this problem. Any help would be appreciated. here is the problem: A microwave structure has the cross section...
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    Dual sensitivity problem involving transducer (ECE)

    Hi, I have a question about calculating the error of the transducer. A pressure transducer exhibits a temperature sensitivity of 0.05 units per degree Celsius and a pressure sensitivity of 5 units per MPa. If the temperature changes 30 degrees celsius during a measurement of a pressure of...
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    Learning about self-excited and separate shunt generators

    hi, I'm currently learning about self-excited and separate shunt generators, and i'm having a hard time comprehending the residual magnetism. i was just wondering if a generator have lost all of its residual magnetism, can it still build up an output voltage? can someone explain this to...
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    Time signals

    Hi, wat would you get if you add these: 3cos(600*pi*t) + 5sin(1000*pi*t - 45degrees) + 5sin(1200*pi*t)? thanks in advance...
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    Logic Function Using 74LS151

    Hello all, I'm having trouble with this certain problem... Given: f(A,B,C,D) = AB'D' + B'C'D' + A'B'CD' + ACD + AB'C'D' How do I build this logic function using one 74LS151 8-to-1 multiplexer and NAND gates? Any help would be appreciate. I just need to be pointed in the right...
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    Magnetic induction

    What is the difference between the meanings of the terms magnetic induction and magnetic field strength? thanks in advance...
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    Why does the resistivity of a metal increases

    why does the resistivity of a metal increases while the resistivity of a semiconductor decreases with an increase in temperature? thanks in advance.
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    Ohmmeter and protoboard

    how can an ohmmeter be used to determined if two points on a protoboard are connected? thnks
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    Flip flops

    hi, can someone give me hints on how to design a counter that counts 0->5->2->7->4->1->6->3->0 using T-flip flop and some gates? I've been looking at this problem but i dont know where to start... thanks vinh