What is Components: Definition and 946 Discussions

An electronic component is any basic discrete device or physical entity in an electronic system used to affect electrons or their associated fields. Electronic components are mostly industrial products, available in a singular form and are not to be confused with electrical elements, which are conceptual abstractions representing idealized electronic components and elements.
Electronic components have a number of electrical terminals or leads. These leads connect to other electrical components, often over wire, to create an electronic circuit with a particular function (for example an amplifier, radio receiver, or oscillator). Basic electronic components may be packaged discretely, as arrays or networks of like components, or integrated inside of packages such as semiconductor integrated circuits, hybrid integrated circuits, or thick film devices. The following list of electronic components focuses on the discrete version of these components, treating such packages as components in their own right.

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  1. Y

    Horizontal and vertical components.

    I am doing physics homework and I came upon a problem that I had forgotten how to do, and i do not believe my answer is correct. I have tried to Google this but failed, can you please tell me if i have done this correct? the question: "4. Give the horizontal and vertical components of...
  2. W

    Numerical Relativity: Components of the Lapse Function?

    I have a technical question about numerical relativity, hopefully someone can help. In the usual 3 + 1 decomposition in NR, the four gauge freedoms are expressed via the lapse, \alpha and three shift components \beta^i . In a finite element numerical scheme, each grid point will have a value...
  3. L

    Finding distance using vector components

    Homework Statement With reference to Fig. 3 (not accurate), where the origin is at the centre of the image, if r1 = (0.10)î+(-0.80)j hat, and r2 = (-0.90)î+(0.10)j hat, what is the distance between the dots? Homework Equations Unsure. The Attempt at a Solution I'm not so good with these...
  4. S

    Calculating Vector Components for an Airplane's Trajectory

    Homework Statement A radar station, located at the origin of xz plane, as shown in the figure, detects an airplane coming straight at the station from the east. At first observation (point A), the position of the airplane relative to the origin is R_vec_A. The position vector R_vec_A has a...
  5. K

    Vectors plane question using components

    Homework Statement An airplane wishes to fly from A to B which is located 1000 km northeast of A. The maximum speed of the plane in still air is 650 km/hr. There is a wind blowing West of 40 km/hr In what direction should the pilot steer the plane to complete the trip as fast as possible...
  6. S

    Sites where I can purchase small quantities of components?

    Does anyone know of any sites where I can buy components like ICs or off-the-shelf stuff like resistors and capacitors in small amounts (<10, for example?). The only one I know of is jameco.com, and they don't have one of the ICs I'm looking for (LM2678T-12). Any others?
  7. V

    Working out the Horizontal and Vertical Components

    Homework Statement http://www.grabup.com/uploads/7800261909D120091B14DB13F106.png That's an image I have made of the diagram we are given. T1 and T2 are tension 1 and [/i]tension 2[/i] respectively. I need to work out the length of those by: a). Maths b). Scale Drawing Homework Equations...
  8. I

    Horizontal and vertical velocity components

    Homework Statement A dolphin leaps out of the water at an angle of 32° above the horizontal. The horizontal component of the dolphin's velocity is 7.7 m/s. Find the magnitude of the vertical component of the velocity. Homework Equations Vy=V0y + ayt The Attempt at a Solution 4.63...
  9. L

    Vector components with unknowns, ultimately adding to zero.

    Homework Statement If Avec = (6.00 ihat -8.00 jhat) units, Bvec = (-8.00 ihat + 3.00 jhat) units, and Cvec = (26.0 ihat + 22.0 jhat) units, determine a and b such that a Avec + b Bvec + Cvec= 0. a= b= Homework Equations Avec + Bvec = Rvec Rvec = (Ax + Bx)i-hat + (Ay + By)j-hatThe Attempt at a...
  10. W

    What is the role of A+B+C in finding vector components?

    Homework Statement http://img32.imageshack.us/img32/5364/325n.png The Attempt at a Solution I don't know how to approach this simple problem. I don't know what role A+B+C = -1.90i plays. Even if the vector of B is found, I don't understand how to find the components of B.
  11. W

    Finding the Magnitude of Vector Sum from Components

    Homework Statement Vector C has a magnitude of 5.0 units and makes an angle of -90.0º with the positive x-axis, vector D has a magnitude of 7.0 units and makes and angle of –120º with the positive x-axis. What is the magnitude of the vector sum of C + D? - I am assuming that this means the...
  12. F

    Find the x, y, and z components of the vector

    Homework Statement Find the x, y, and z components of the vector A shown in the figure , given that A = 65 m. A link to the image: http://img401.imageshack.us/i/asdasp.jpg/ The Attempt at a Solution Y Component: 65m*cos(35) = 53.24m Z Component: 65m*cos(55) = 37.28m I think...
  13. T

    Projectile motion problem with components

    Homework Statement a ball is thrown up onto a roof, landing 3.90 s later at height h = 18.0 m above the release level. The ball's path just before landing is angled at θ = 67.0° with the roof. (a) Find the horizontal distance d it travels. (Hint: One way is to reverse the motion, as if on...
  14. daisey

    Atomic Components and the Absorption of Photons

    My question concerns my understand of the mechanics of the absorption of Photons by the components of atoms. I will use a common real-world example to facilitate my understanding of the concept. 1. When a rock (for example) sits in the sunlight, the rock warms to the touch. I believe this...
  15. S

    Independent Components in Riemann-Christoffel Tensor

    Help! I am losing my mind over this problem (which is basically problem 2.6.5 in Arfken and Weber Mathematical Methods for Physicists, sixth edition). I am having difficulty using the tensor symmetric and antisymmetric relationships of the Riemann-Christoffel tensor to show that it reduces...
  16. A

    Components and Vectors and Lengths, Oh My

    Hey guys! I am back for a second time. (Woo) More Awesome Physics underway! Homework Statement The components of a vector V are often written (Vx, Vy, Vz). What are the components and length of a vector which is the sum of the two vectors, V1 and V2, whose components are (3.4, 1.0, 15.0)...
  17. N

    Finding the Shortest Path in a Vector Space

    Homework Statement A room has dimensions 2.95 m (height) × 4.68 m × 6.19 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) If the fly walks rather than flies, what is the length of the shortest path...
  18. T

    Elastic materials for suspension components

    Is anyone familiar with materials which possesses a high tensile strength, but also a low young's modulus (high compliance)? I'm interested in a material which can support large deflections, while offering minimal resistance to it. Also, I'm specifically not interested in non-linear materials...
  19. P

    What are the components and magnitude

    Homework Statement A 2.0kg object's momentum at a certain time is 10kg*m/s 37degrees vertically upward from due west. What are the components and magnitude of its velocity vector at this time (in a frame in standard orientation)? Homework Equations P=mv imp= dP The Attempt at a...
  20. S

    Solving for the X and Y components of a Vector

    [b]1. A vector is 40.0 m long and makes an angle of 50.0° counterclockwise from the y-axis (on the side of the -x-axis). What are the x- and y-components of this vector? [b]2. Homework Equations Sin = opp/hyp Cos = adj/hyp [b]3. I tried solving for the x and y components of the...
  21. E

    Why Lowering Index on Components Affects Physical Variables

    Hi everyone! I am trying to self- study GR and I am (very slowly) working through Schutz at the moment ( not the clearest at times for a " first course" text). Anyway I have noticed that several times when working with components of physical variables e.g. momentum/ energy, the 'up' index in say...
  22. C

    Vector addition using components

    Homework Statement You will be hiking to a lake with some of your friends. the map says you will travel 1.6 mi north then 2.2 mi in a direction 35 degrees east of north, then finally 1.1 mi in a direction 15 degrees north of east. how far will you be from where you started and what direction...
  23. H

    Adding Components and Finding Magnitude/Angle: Q&A

    Given: at 70 pounds <60.02, -35> at 40 pounds <28.28, 28.28> at 60 pounds <-42.43, 42,43> now add the components to find the resultant of the system and use it to find the magnitude and direction angle. ----------------------> can anyone please explain it to me how to add the...
  24. S

    Selection of infrared components and calculation

    Hello, Can any experts give me some advice on the selection and calculation of infrared in control. I want to do a simple sensor control by PLC which utilize the infrared.When the receiver detects the infrared from the transmitter, the signal will trigger the PLC for some form of control...
  25. R

    Op Amp built with discret components and having GBP over 30 MHz.

    Hello, for technical reasons I'm looking for a schematic of an Op Amp built with discret components and having GBP over 30 MHz.
  26. D

    What are the differences between alternators, generators, and dynamos?

    What is the difference between, - Alternators - Generators - Dynamos - Rotors - Stators - Armature - Field - Commutators - Brushes. My mind is filling up with terms and I am struggling to make sense and define the difference between each! your help is appreciated.
  27. F

    How Do Forces Affect the Motion of a Body in Space?

    if a body that is going in space in a straight line and suddenly 2 forces acts on it the first with the motion direction and the other is perpendicular to the motion direction , would the object start to go in circles ? or it will change its direction of motion and will keep going sideways ...
  28. S

    How Can You Align a Thin Electrode Parallel to a Surface Without Direct Contact?

    I have a apparatus with a thin electrode that is suppose to be parallel with surface beneath it. I can level the surface, but you cannot put a level on this electrode. I was thinking have like a block precisely made to the expected distance between the electrode and bottom to determine the...
  29. S

    2 known signals, 1 PSD: extract components with same phase.

    As stated in title: I have full knowledge of the 2 signals. They have the same Power Spectral Density. However, only certain components of the 2 signals have the same phase. Is there any way of extracting these components, or at least their PSD functions? Is this doable at all? The phase I...
  30. C

    Constructing My First Power Supply: Investigating AC Components

    Ive recently completed a project in microcontrollers (my first project with uc's actually) and I built a power supply which gives me 12v and 5v dc. I use a transformer to step the voltage down to 12v AC from mains and then the 12v AC is converted to 12v dc using a bridge rectifier with a...
  31. L

    How Can I Prevent My LC Circuit Capacitor from Overheating?

    So I have an LC circuit at resonance except the capacitor gets very hot. There is about ~2Amps AC going across it. The setup is: 2x 0.1uF capacitors in parallel ~304uH inductor the ESR of the cap is 0.56ohms and the resistance of the inductor is ~0.7ohms. I was looking for the...
  32. T

    Components using partial derivatives

    here is the question: http://i44.tinypic.com/xe53tc.gif here is the solution: http://i43.tinypic.com/2nuokfq.gif my first question regarding this whole thing is. why when the doing the partial derivative by "r" we don't multiply by minus the formula says (minus derivative) but all they do is...
  33. X

    Vector Components HW: Find Distance/Dir from Lake B to Base Camp

    Homework Statement A plane flies from base camp to lake A, a distance of 280km, at a direction of 20 degrees north of east. After dropping thr supplies, it flies to lake B which is 190km and 30 degrees west of north from lake A. Determine the distance and direction gtom lake B to the base...
  34. X

    Typical values and danger of circuit components

    Hi guys, I am a physics graduate, currently working in an experimental lab. Before coming here, I have no solid experience in lab stuffs. Anyway I enjoy working at lab a lot. The first task I have is to learn and master a programable DC source (Yokogawa 7651). To do this, I personaly think...
  35. 0

    Question on Vectors and Components (NOT HW)

    Okay, let's say there's vector a,b and c What would be the difference between projection of c on a and b and components of c along a and b I thought they were the same... thanks.
  36. P

    Calculate Strain Components: Given Stress Components & E, Poisson Ratio

    My Homework question is The stress components at a point are given by (image attached) units are in "Mpa (Mega pascal). calculate the strain components. Assume E= 200GPa and poisson ratio= 0.25. please guide me. formula to be used? thanks,
  37. T

    Can SMD components be used on a breadboard with a cheap soldering iron?

    I'd like to breadboard a surface mount IC for testing. Is there some type of connector that can be purchased to plug the IC into which will provides wire leads for breadboarding? Failing that, I guess I could try to solder leads to the IC. But at 3mm x 3mm and 10 pins, I think that's next to...
  38. R

    Derive intial velocity using projectile motion components

    Initial Velocity of Projectile given: - let theta be: B -equation for: (E1)horizontal component is x = vxt; where vx= v0cosB (E2)vertical component is y= y0 +vyt - (1/2)gt(squared); where vy = v0sinB using these components an equation of initial velocity{v0} =...
  39. A

    Amplitude of two components for tides.

    The tidal range of spring tides is about 3.2 m and tidal range of neap tides is about 1.8m, Assume the only tidal components are m2 and s2 tides. i.e 2 tides per day due to the sun and moon. Find the amplitude of these components and also find the maximum phase angle between the m2 tides and...
  40. C

    Components of Earth's angular velocity vector

    Homework Statement Using a coordinate system in whic x and y are due east and nort of the city and z is the radial distance outwards from te centre of te earth, find the compnents of w the Earth's angular velocity vector. You may assume that the latitude of the city is lamdba = 34degrees...
  41. Y

    Find the tension in the wire and the components of the force exerted

    Homework Statement A hungry bear weighing 720 N walks out on a beam in an attempt to retrieve a basket of food hanging at the end of the beam. The beam is uniform, weighs 200 N, and is 5.40 m long; the basket weighs 80.0 N. a) When the bear is at x = 1.00 m, find the tension in the wire and...
  42. F

    Components of metric perturbation in TT gauge

    Homework Statement I'm just working through a textbook and there's a line in which I'm clearly missing something. What I want to do is show that from: [tex] \bar{h^{TT}_{\mu \nu}} = A^{TT}_{\mu \nu} cos(\omega (t-z)) [\tex] to [tex] h^{TT}_{\mu \nu} = B^{TT}_{\mu \nu} cos(\omega (t-z))...
  43. J

    Determine the components of force

    Homework Statement the boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position, measured from the top of the chute, has components r=1.5m, theta=.7t radians, and z = -.5t m, where t is in seconds. Determine the components of force for F(r), F(theta), and...
  44. W

    [Ray tracing] Resultant of electric field components

    Hi All, I am a beginner at Electromagnetics I'm implementing ray tracing SBR to predict propagation of waves. Each ray contribution will be in the form of: Ei = (some factors) e ^ (- j k r) u(theta, phi) where k = 2 pi / wavelength, r is the total unfolded path I'm not sure about...
  45. J

    Help Needed: Finding Components of Particle Velocity

    6.60 -micro C particle moves through a region of space where an electric field of magnitude 1200 N/C points in the positive x direction and a magnetic field of magnitude 1.01T points in the positive Z direction if the net force acting on the particle is 6.23 x 10^-3 N in the positive x...
  46. H

    Help Design 4 to 16 decoder with given components

    I have been given the following components to design a 4 to 16 decoder: I. One 3 to 8 decoder (with enable) II. Two 2 to 4 decoder (with enable) III. Two NOT gates IV. Two AND gates I just don't understand where the AND, NOT, and enables go into. I have attached two files One with the 3...
  47. T

    Ball collisions in terms of vector components

    Hi! I'm writing a pool simulation program and have an awful problem with my ball collisions (elastic collisions). The theory (in terms of vectors) is that when two balls collide you take the line between their centers and the velocity components which are perpendicular to this line are...
  48. M

    Torque, finding max distance, vertical/horizontal components

    I have three questions left to do and its been very hard because I am out of state with the family and had forgotten to pack my physics book. I really need help on this, I can't find any examples from typing in parts of the question. If you could help me on how to solve this and the equations...
  49. Q

    Components for the angular momentum operator L

    Homework Statement Consider wavefunction psi (subscript "nlm") describing the electron in the stationary state for the hydrogen atom with quantum numbers n,l,m and the third component L3 for the orbital angular momentum operator L. What is the expectation value of L3 and of L3^2 for the...
  50. A

    Laws of Motion with Components

    Three forces acting on an objetc are given by F1=(-2.00i + 2.00j)N, F2=(5.00i - 3.00j)N, F3=(-45.0i)N The object experiences an acceleration of magnitude 3.75 m/s2. a) What is the direction of the accceleration? b) What is the mass of the object? c) If the object is initially at rest, what is...
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