car at all. The section capacitor C1 as a filter to smooth the flow. Transistor Q2 may be any number SM3180. The schematic shown here can be used as a circuit for Car brake light or headlight flasher for flashing two 10 watt 12 volt lamps in car or any vehicle. The heart of the circuit is a 555 timer IC‚ wired as an astable multivibrator in the circuit. A 2N3773 high current transistor is also used in the circuit and working as a switch and it is derived from the output pin 3 of the
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essay Comparing the lamp at noon and the painted door Submitted by Jacob Skeard Submit to Mrs. Howe Thursday June 6th /13 You see it in everyday life; many ordinary people have very difficult decisions to make that will shape their life. For example‚ Ann from “The Painted Door” is shown as a protagonist because of the way her character is‚ she is very lonely‚ depressed and sad and what she does because of these feelings affects her life tremendously. Paul‚ from “Lamp at Noon”‚ is also
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silent. The half moon gazed down benevolently on the city‚ alone in a starless stretch of black sky. The streets were empty‚ and all that reached out into the shadowy darkness were the street lamps‚ placed so methodically and evenly it made them seem more significant than they really were. Near one of these lamps‚ on a bench‚ was an ancient man‚ his hair grey‚ his face was warped with deep wrinkles‚ a pair of round rimmed spectacles perched on his nose. His dull eyes‚ seeming to be staring into nothingness
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Photosynthesis Abstract: An experiment was carried out to determine how certain factors such as light intensity and availability of carbon dioxide‚ affected the rate of photosynthesis. The rate of photosynthesis was measure by the amount of oxygen produce (cm3/min). A valid conclusion was made and most of the results were in accordance with the prediction‚ although there were some anomalies present. The errors and limitations were evaluated and some improvements were suggested. Introduction: Photosynthesis
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Blue 5 Gum (1) Heat Lamp (1) Ring Stand (1) 12”x12” sheet of Cheesecloth (6) Small Pieces of Parchment (6) Holt Earth Science Textbooks (1) Metric Ruler (1) Large Sheet of Paper (1) Cup of Cool Water (1) Paper Towel (1) Writing Utensil Procedure: 1. All materials listed above must be gathered and placed on a sufficient working space. 2. Find the heat lamp‚ and ring stand. 3. Adjust the heat lamp so it rests freely on the ring stand. 4. The heat lamp must then be plugged
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Page 1 of 4 Math 116 Review 1 1. Suppose that the total cost of manufacturing q units of a certain product is C q thousand dollars‚ where C q q3 30q2 500q 200 a) Find the total cost and the average cost of producing 10 units. b) Find the cost of producing the 10th unit. 2. Let f x 4 x 2 3x 2 ‚ evaluate and simplify the difference quotient f x h f x ‚ where h 0 . h 3. The average scores of incoming students at an eastern liberal arts college in
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Historical Artist – Sandy Skoglund Admittedly so‚ I knew nothing of Sandy Skoglund or anything about her work. Learning that she was a professor of art really meant nothing to me. Until I looked at her work and how she created it all I had no interest. I learned that Sandy spends 6 months to a year to create her backgrounds. Only then feel her work is ready to allow her models the opportunity to pose for her. In the background she uses‚ she often uses food because she feels it is what people
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reaction will occur more slowly. I think that as we move the lamp away (and therefore reduce the light intensity) from the elodea pondweed the number of bubbles produced will decrease steadily. For instance‚ say at 10cm distance 50 bubbles are counted‚ it is likely that at 20cm distance 25 bubbles will be counted‚ as the lamp is twice the distance away. This means the rate of photosynthesis is halved. I think that if we move the lamp any further away than 50cm no bubbles at all will be produced
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A man wants to push a lamp of mass 7.5 kg across the floor as shown below. (a) Assuming the person pushes at a height 0.60 m above the floor and the frictional force between the base of the lamp and the floor is 15 N‚ determine whether the lamp will slide or tip over. (b) Calculate the maximum height above the floor at which the person can push the lamp so that it slides rather than tips. [0.5 m] 4. A 5.0 m long ladder leans
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Wolfgang Schivelbusch’s Disenchanted Night delineates the history of the industrialisation of light from the candle through the incandescent light bulb‚ demonstrating the relationship between the development of artificial light and the social‚ political‚ and economic milieu from which it emerged. This process was dependent on two social contexts which were integral to the pace and direction of the development of lighting technology‚ the Industrial Revolution and the Enlightenment. The Industrial
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