Question:
Three moles of an ideal gas (CV,m = 7/2R) initially at 300K are taken through a series of three compression/expansion steps:
The gas is expanded isothermally and reversibly at 300K. This process involves 10.37 kJ of heat going into the system.
The gas is then expanded reversibly...
Question:
Liquid water can be cooled to a temperature of -10 C and stay a liquid. As it is below its freezing point it is thermodynamically unstable and will eventually turn into solid water. If you put 100 g of supercooled water at -10 C into an insulated thermos (adiabatic) it will...
Thanks for the feedback.
Yes, we are only looking at the steady-state response. Also, I believe the RC is in series. If you're really curious, here's a graphic:
https://webspace.utexas.edu/youngba2/www/AC%20circuit.jpg
I'm assuming your answer is still correct, but let me know if...
We observed that whenever the frequency of an AC circuit was increased, the voltage across an RC component changed shape. Specifically, 1) the trace lost its exponential growth and decay and instead had linear growth and decay, and 2) the voltage amplitude was much smaller.
My guess as to...
I feel like I'm so close to the correct answer for this problem, but I just can't seem to bring it all together.
To find the VRMS of an AC sine wave, you use the following
forumla, where Vmax is the maximum amplitude:
VRMS = Vmax / sqrt(2)
To find the VRMS of an AC triangle wave...
If you have a rotary potentiometer that measures the amount of angular displacement, what would you say the output signal of the transducer is? I'm unsure if it's resistance or voltage. A change in angular displacement changes the point of contact within the potentiometer, which directly...
We recently discovered that the internal resistance of an ammeter when using the 30 mA range is significantly larger than the internal resistance when using its 150 mA range. Despite the fact that I know this is correct, it seems counterintuitive. I would think that since an ammeter on the 30...
In a recent electronics lab, we designed a simple circuit consisting of only three resistors and a battery. After recording all the relevant data for the system (I, V drop, R, etc), we then grounded it by attaching a wire from one of the resistors to a metal bolt attached to a nearby water...
Ahhh...I get what you are saying now. Yeah, just a terminology snafu. My textbook and lab manual use "fringe width" to indicate the displacement between successive maxima, not necessarily the width of the actual band.
All I can say in my defense is the following, from my lab notebook:
2) What was the effect upon fringe width x (measured from center-to-center of either the dark fringes or bright fringes) of increasing the double-slit space? The single-slit width?
3) Compare the measured fringe width, x...
Thank you for the reply. That does indeed make sense. For the life of me, I simply cannot get diffraction and interference straight in my head. The fact that both phenomena have (what appears to me anyway) very similar looking effects just confuses the issue even more.
In our physics lab, we were given several different kinds of thin slits which we were to place in the path of a 632.8 nm laser to observe the effects of diffraction and interference. We had four metal cards with the following properties:
Card A: 2 slits (0.25 mm spacing, 0.04 mm slit...
Actually, I wasn't too familiar with that form of the lens maker's equation either, but the place I got it from is located here:
http://online.cctt.org/physicslab/content/Phy1/lessonnotes/thinlensequation/lensmakerequation.asp
(And I also noticed it here...
A friend and I are getting conflicting answers for a focal length/power question. He says he gets 22.5 diopters, whereas I get 5.1 diopters, so I was wondering who's screwing up. Here is the question and my answer:
Q: If a +20 diopter lens is a symmetric double convex lens of index 1.50...