Plate Definition and 960 Threads

Hello, I am currently reading about what has been alluded to in the title of this thread. I attached a diagram, as it will be of some help. Okay, in my textbook it says: After the battery is attached to the circuit, the capacitors quickly reach their maximum charge. Let’s call the maximum...

Homework Statement An electron acquires 3.45x10^(-16) J of kinetic energy when it is accelerated by an electric field in a computer monitor from plate A to plate B. What is the potential difference between the plates, and which plate is at the higher potential? Homework Equations...

Homework Statement The Attempt at a Solution I know that the E-field is definitely affected by the presence of the space charges. Since one side is positive, the positive charges in the air get pushed towards the negative plate. so Enet = Eplate - Echarges But the thing is...

The facing surfaces of two large parallel conducting plates separated by 10.0 cm have uniform surface charge densities that are equal in magnitude but opposite in sign. The difference in potential between the plates is 500 V. An electron is released from rest next to the negatively charged...

From what i understand Io is extreamly active on geologically. So does it also produce plate tectonics?

Homework Statement A parallel-plate uniform electric field with a strength of 325 N/C is oriented as shown below. An electron (q = 1.6 × 10-19 C, m = 9.11 × 10-31 kg) is released (from rest) inside the field and moves 3.2 cm to the left. What is the final speed of the electron at the end of...

Homework Statement find the center of mass of a thin plate with constant density in the given region. region bounded by y-axis, x=y-y^3 ; 0<=y<=1Homework Equations x(bar) = (integral)(a to b) α(x) * x * (f(x) - g(x)) ---------------------------------- (integral)(a to...

Q:A rectangular plate of sides a and b is supended from a ceiling by two parallel strings of length L each(Fig). The Separation between the strings is d. The plate is displaced slightly in its plane keeping the strings tight. Show that it will execute SHM. Find the time period...

Homework Statement Find the center of mass of a thin plate of constant density (δ covering the triangular region in this first quadrant between the circle x^2 + y^2 = 4 and the lines x=2 ; y=2. Homework Equations x^2 + y^2 = 4 and the lines x=2 ; y=2. The Attempt at a Solution...

I'm tasked to find the force one parallel plate exert on the other plate in a capacitor. somehow the force isn't just F=qE, where E=Q/2εA What am I missing here?

Homework Statement What is the electric potential two-fifths of the way through a parallel-plate apparatus (from the positive plate) if the plates have a total separation of 5cm and field strength of 5000N/C.Homework Equations Difference Potential Energy = Electric Field Strength x Distance V =...

Homework Statement We set up in a lab a vertical pointing air jet giving a constant output and gradually increased the height of the plate above the jet whilst measuring the force upon it as imparted by the jet using a Newton-metre. At a big distance the air jet was imparting an upthrust on...

I have a design where a beam gets welded to a plate. The plate is not against a wall or foundation, but for simplicity I can say that the edges of the plate are fixed. I am concerned about the stress in the plate, and the deflection in the beam. I have access to solidworks simulation, but I want...

I am new with the topic Capacitors .I have read that a capacitor can be charged in two ways .One using the battery which I understand .The other is by charging one plate and grounding the other plate .I am not able to understand how this is done . Suppose +q charge is given to a plate ,say...

Homework Statement Q .1 The plates of a parallel plate capacitor are given equal positive charges. What will be the potential difference between the plates? What will be the charges on the facing surfaces and on the outer surfaces? Q.2 Each plate of a parallel plate capacitor has a...

Homework Statement Homework Equations capacitance = charge/volt capacitance = Esub0 (side of parallel plates^2)/(distance apart) The Attempt at a Solution capacitance = (3*10^-6 C)/(150v) capacitance = 2 * 10 ^ - 8 F 2 * 10 ^ - 8 F = (8.85 * 10 ^ -12)(side of parallel plate) ^ 2/(.90...

...plate of a different capacitor, why won't the positive end of a battery (lets say AA) pass current to the negative plate of a different AA battery. Does it have something to do with the chemical reaction that happens inside the battery?

Homework Statement Here is the problem given. The answer is E. Homework Equations No equations are given. Assumed use of standard equations for electric field and force involving electric field. The Attempt at a Solution I tried using a few equations (E = F/q0), (F = mv^2)...

I need to know how to find the kinetic energy of ions leaving a charged plate. I figure I can find the electric potential energy, but all i know is the power being supplied to the plate and the plate's cross-sectional area. Any ideas? Thanks in advance!

I know it is hard , but can we transfer the charge on a capacitor plate elsewhere? For example if i had a capacitor with capacitance of 56 μF and charged at 200 volts , if i wanted to transfer the charge on the cathode to a metal rod , how can I do it ?

Hi guys ! Is there any Standards for thermal designing of spiral plate heat exchanger, like TEMA for shell and tube heat exchangers ?

Hi, I have read about electric charge and tried to understand one particular thing but still couldnt: If we positively charge a big metal plate with very high voltage and approach to it a small solid neutral metal sphere, the smaller sphere obviously will get attracted, i.e. a force will...

This is the question The flow of a fluid between two large flat parallel plates normal to the y direction is fully developed and steady. The plates are a distance 2h apart in the y direction and the velocity profile, assuming y=0 is at the midpoint between the plate is V(y) = V_0(1-(y/h)^2)...

Homework Statement Set up integrals to find M, Mx, and My for the thin plate if d(x)=ky bounded by y=2-x and y = 4-x^2 or x = sqrt(4-y) Homework Equations M = \int dm = \intd(x)dA Mx = \intydm My = \intxdm The Attempt at a Solution I broke this down into three equations. x1 =...

Homework Statement What is the potential energy of an electron in a parallel plate capacitor if kept on the negative plate before being released? Homework Equations 1/2mv^2 = qV = PE Capacitor Energy = 1/2QV The Attempt at a Solution 1/2mv^2 = qV = PE However if I'm not mistaken there's...

Homework Statement One type of ink-jet printer, called an electrostatic ink-jet printer, forms letters by using deflecting electrodes to steer charged ink drops up and down vertically as the ink jet sweeps horizontally across the page. The ink jet forms 30-μm-diameter drops of ink, charged...

Hi, A parallel plate capacitor is charged from fixed voltage, after I cut voltage source. Now, what's happened if I place a Faraday cage inside capacitor (without touch capacitor) ? Capacity changed ? So energy of capacitor changed ?

Hi everybody, I'm looking for a way to determine the maximum moment of a uniformly loaded circular plate (diameter = 10") with eccentric circular hole (diameter = 4"). The plate is clamped at outer edge and free at inner edge. The ultimate objectif is to determine the minimum thickness of...

Hi, so I'm having a little trouble understanding why... you would put a dielectric in between a parallel plate capacitor? I know it increases the capacitance but it does so by lowering the potential difference sooo... The charge is still the same, I believe the potential energy also decreases as...

Just throwing this idea out there and wondering if there is any reason it would not work. In a parallel plate capacitor, the maximum voltage is controlled by the dielectric strength and the thickness of the dielectric. When using vacuum as a dielectric, there is a voltage dependant leakage...

Homework Statement see attachment Homework Equations integration The Attempt at a Solution answers: a. mH2/6 + mt2/12 b. mB2/2 + mt2/12 c. mH2/6 + mB2/2 d. -mBH/4 e. 0, 0 If the plate were thin t can be ignored. Ok so e is because of symmetry so I get that. a-d on the...

Homework Statement "Consider a wave plate with a retardation τ=(η_0-n_e)*w*L/c. Show that when it is placed between crossed polarizers with its optical axis at an angle of θ with respect to the polarizer axis, the transmitted intensity is given by: I_out/I_in= (sin^2(2θ)(sin^2(τ/2)) In...

The steady state temperature $u(x,y)$ in a rectangular plate $0\leq x\leq L$, $0\leq y\leq M$, is sought, under the condition that the edge $x = 0$ is maintained at zero degrees, $x = L$ is kept at $u(L,y) = y$ degrees, and the edges $y = 0$ and $y = M$ are insulated. The appropriate...

"Food" Hot Plate vs "Science" Hot Plate I want to pick up a cheap hot plate for doing high school level demonstrations in chemistry. Is there any reason getting a normal hot plate would be a bad idea? Like this one? Thanks.

Hello everybody, I am solving a 2D problem of thermal stresses in a rectangular plate in which temperature is changing only y direction. Plate has fixed displacement conditions. Could anyone help me to find out analytical solution of thermal stresses for my problem? Does anyone suggest me...

Homework Statement This is basically question 3.18 in Purcell. You have a plate being suspended into the middle of two other plates, and then you need to determine the force downward on the hanging plate given that the separation between it and either side of the other conductor is s; the...

Homework Statement This is an EM waves class, but we are given the following problem, which seems deceptively simple. I'd like some feedback to see if this is done correctly. Homework Equations Consider a parallel plate capacitor connected with a resistor with resistance R, as shown in the...

Homework Statement If a parallel plate capacitor is charged with charge Q and -Q on its plates, respectively, and then isolated, then we place a dielectric into the space between the plates, does the charge on the plates decrease, or stay the same.Homework Equations U=(QV)/2The Attempt at a...

Homework Statement A marble has been dropped from a given height H + h. There is a metal plate directly below the marble at height h. The marble drops and hits the plate which is at 45 degrees and lands a distance away, R. Find an equation for R(H,h), that is finding the distance the marble...

If Earths core were larger taking up say 70% of its radius and the mantle were smaller. Would there be more or less plate tectonics?

Hi there, If we have a quarter wave plate orientated at 45 degrees in reference to the incident light, if the input photon was 45 degrees polarised, what would the output be? Similiarily with 135 polarised photons? And what happens if the photon is written as -|45> compared to |45>? Does that...

Homework Statement ==================== <---- aluminium plate ⁣⁣⁣⁣⁣⁢⁢⁢⁠⁡⁡⁢⁢⁢...O .....O... <---- heat coil(O) Given an aluminium plate put on 2 heating coil(O), assuming no heat loss, how much is the heat transfer rate from the coil to the plate? Put the power of each coil as W...

First off, I can't believe I never decided to search for a forum like this, I love smart people! lol. Anyways I am working on a Liquid cooling project for a highly overclocked computer system. Originally I wasn't going to use a heat exchanger(Matter of fact, until I stumbled across one on a...

Homework Statement I have the statement, variables and given/known data in the picture along with relevant equations and solution attempt. Homework Equations The Attempt at a Solution I think I did the first part right. But I'm unsure about part B. The distance between the...

What would be the minimum mass for an exoplanet or moon to sustain plate tectonics? I would think its 0.2 Earth masses.

This doubt is nagging in my mind for couple of days,and its makes the rest of the things so dizzy and confusing.Heres what i thought- What is the electric field at a point inside a parallel plate capacitor? I thought of this-When i place a guassian surface of ,well maybe any...

I'm doing some work on my house at the moment, and have had a design produced by a structural engineer for a steel I-beam to span a newly made (4 meter) opening in a brick wall. They've given me a design (see the attached picture for my interpretation) for the bearing of the I-beam which I...

I'm using the basic deflection equation to determine how thick a plate of steel would have to be to support a load of approximately 1300 N in a 3 point bend, with surface dimensions of of 420 x 630 mm. I = bh3/12; δ = FL3/(C1EI); Esteel = 200 GPa = 200 N/mm; δ = 50 mm (arbitrary); h3 =...

Homework Statement The edges of a thin plate are held at the temperature described below. Determine the steady-state temperature distribution in the plate. Assume the large flat surfaces to be insulated. If the plate is lying along the x-y plane, then one corner would be at the origin...

Hi I was wondering about an issue i thought about while attending a masters thesis dissertation earlier does the material of the plate (not the filling dielectric) affect capacitance (even if in the fringing level) ? Check the attached picture , for a better explanation