Capacitors and electrostatics PHY 114 Abstract: The purpose of this experiment was to measure the electrostatic force between two objects as a function of their signs and electrical charges. This was done using many equipment’s such as a glass and rubber rod. In addition‚ investigate how capacitors store energy electrostatically in an electric field‚ share charges and discharge. This was done by using equipment’s like voltage follower‚ DVM‚ powered breadboard unit and a selection of capacitors
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Series & Parallel Capacitors Practice Problems Name: AP Physics Period: 1. What value is the same for any two capacitors in series? Why? 2. What value is the same for any two capacitors in parallel? Why? 3. You have two capacitors of 0.40 F and 0.60 F. a) What is the equivalent capacitance if you add them in series? b) What is the equivalent capacitance if you add them in parallel? 4. Three capacitors: 0.20 F‚ 0.08 F and 0.40 F‚ are connected in series
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Phil Yu Electrostatics Lab Data Chart Part 1: Trial | Material | Material | Charge (+ or -) | q (nC) | 1 | Glass | Fur | + | 3.108 | 2 | Clear Plastic | Fur | + | 45.07 | 3 | Yellow Plastic | Fur | - | 81.57 | 4 | Glass | Silk | + | 1.979 | 5 | Clear Plastic | Silk | + | 19.60 | 6 | Yellow Plastic | Silk | - | 75.49 | 7 | Glass | Green Cloth | + | 2.914 | 8 | Clear Plastic | Green Cloth | + | 31.09 | 9 | Yellow Plastic | Green Cloth | - | 90.30 | Data Chart Part 2:
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Title : C2 Investigating the capacitance of a capacitor I. Objective : * To investigate the factor which affect the capacitance of a parallel-plate capacitor using a reed switch. II. Apparatus * Reed Switch * Signal generator * Capacitor Plates (1 pair) * Polythene spacers * Low voltage power supply * Voltmeter * Variable resistance * Light-beam galvanometer * CRO * Standard mass (eg. 100g ) * Connecting leads * Drawing board *
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Electrostatic Lab What materials will you use? I will use the virtual lab and elements provided by the class What would you measure? I will measure the static electricity with a neutrally charged balloon What results do you expect? I expect that the balloons charges and sticks to the wall. What is the result are different? That would mean that there is a different way to charge the balloons than negative charge as using your hair. EXPERIMENT Bring together the balloons but not touching
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ELECTROSTATICS - I – Electrostatic Force 1. Frictional Electricity 2. Properties of Electric Charges 3. Coulomb’s Law 4. Coulomb’s Law in Vector Form 5. Units of Charge 6. Relative Permittivity or Dielectric Constant 7. Continuous Charge Distribution i) Linear Charge Density ii) Surface Charge Density iii) Volume Charge Density Frictional Electricity: Frictional electricity is the electricity produced by rubbing two suitable bodies and transfer of electrons from one body to other. + ++
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Electrostatics Lab Name: Bryan Michel Materials: Styrofoam cups Styrofoam plates PVC Pipe Fur Scotch Tape Procedures: You will be investigating charging object by friction. When you are asked to write your observations‚ please do so in a clear‚ complete manner. 1. Tape a piece of string to a Styrofoam cup and hang it from the edge of the desk so that it can move freely. Rub the outside of the cup with fur. Rub a PVC pipe with fur and bring it near the hanging cup.
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a lot without knowing their existence is what is called a "capacitor." Many people have heard the word capacitor‚ but also many do not even have an idea of what it means or what is the use for it. In this research‚ I will concentrate on explaining the physics of a capacitor and describing the main types of capacitors that exist today. A capacitor is a device used to store charge in an electrical circuit. The function of a capacitor is much similar to a battery‚ but it charges and discharges
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1 Capacitor & Dielectric Miss Nor Amalina Ahmad 2012 1.1 1.2 1.3 1.4 1.5 Capacitance Capacitor in series & parallel Energy stored in a charged capacitor Charging & discharging of capacitors Capacitors with dielectric Miss Nor Amalina Ahmad 2012 1.1 Capacitance Learning Outcomes : At the end of this topic‚ students should be able to: Define capacitance Use the capacitance formula Determine capacitance of parallel plate Miss Nor Amalina Ahmad 2012 A capacitor is electric
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Field Analysis and Modeling -Electrostatics Project- By Popescu Ciprian FILS‚ Group 1222E Index 1. Data of the project a. Initial values for elements b. Table with elements and groups of elements c. Points of measurement d. Geometric model 2. Changing the polarity of the lower capacitor 3. Test 1. Testing meshes 4. Test 2. Changing the electric permittivity of the dielectric 5. Test 3. Changing the charges of the conductors 6.
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