The flowing of current through conductor produce heat. We are using this heat due to flow of current in our daily life as in electric iron‚ electric bulb‚ electric fuse‚ electric heater and more. Heating effect of electric current are below (i) Electric iron: In an iron the upper part is grooved. In this groove a coil is placed. Mica as an insulator is placed between the metal part and the coil‚ so that there is no electrical connection between them. Mica is a bad conductor of electricity but
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Energy Saving Tips to Use Throughout the Year * Be sure to turn off lights when you leave a room. * Turn off machines when you leave a room (examples include TV’s‚ computers‚ radios‚ stereos‚ video games‚ VCR’s‚ and DVD players). * When you go away on a trip‚ be sure to unplug these same machines because they have stand-by functions that consume electricity even when they are turned off. * Fill your dishwasher efficiently and limit the number of times you run it. * Don’t put furniture
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fluorescent light bulb‚ it is much more efficient than an incandescent bulb. They last longer and use 1/4 the amount of energy. A normal incandescent bulb lasts 750 hours but a fluorescent bulb will give off the same amount of light yet last for 7‚500 to 10‚000 hours with 1/3 of the wattage. Also within a fluorescent light bulb’s life time it will stop 1‚000 pounds of carbon dioxide from going into the atmosphere‚ if it is substituted for the traditional bulb. By installing a single fluorescent light bulb
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can be found and grows out of the most violent and painful situations. The lightbulb in the sun‚ symbolises the hopelessness of man’s attempt to appeal to God for help. Picasso may have also intended the symbolism of the bulb to be associated with the Spanish word for light bulb which is “bombilla”. This brings to mind the word “bomb”‚ which could symbolise the detrimental impact which technology can have on humanity. Towards the upper right a fearful female that appears to be
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[Type the company name] | Wal- Mart CSR Initiative | Case Analysis | | [Type the author name] | 10/30/2010 | | Case 1: Wal-Mart’s Sustainability Strategy Q. Given the fact that Wal-Mart’s Customer’s are unwilling to pay a premium for environmentally friendly products‚ how is the company deriving business value from its sustainability strategy or if not‚ how can it ensure that it does? Ans: Wal-Mart’s sustainability strategy has further improved its already efficient supply chain
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electro-magnetic radiation (e.g. Light). In this lab‚ we will separate some light sources in to constituent colors and find out the wavelength of some atomic emissions. We will also try to compare the line spectra found from gas discharge tubes and flame emissions. Finally‚ we will measure the absorbance of Copper sulfate solution as a function of wavelength. Experimental Method: We start our experiment by looking through a Spectroscope at the outside sunlight‚ a regular light bulb (incandescent) and a fluorescent
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foam. B. Hand Tools 1. Flat head screwdriver- a screwdriver designed to turn slotted screws 2. Flashlight- A flashlight (torch in British English) is a hand-held portable electric-powered light source. Usually the light source is a small incandescent light
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first experience a setback. However‚ for those who have a solid mind to persist until the end are more likely to achieve their goals. Thomas Edison failed two thousand times before he successfully invented the light bulb. Myriad failures did not hold him back from inventing the light bulb. Contrarily‚ Edison considered it as a two-thousand step process to his goal. Moreover‚ Looking at problems as a blessing in disguise is another sort of positive attitude. There are always two sides of things. One
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WESTFIELD Science-Oriented School and Colleges CERTIFICATION OF THE PROJECT This is to certify that we have read the individual project entitled MAKING ELECTRICITY FROM SALTWATER AND AIR The researcher has successfully completed and defended his Science Project before a panel Recommendation: [ ] Approved [ ] Passed with revision [ ] Redefense Sir Jonathan Paulino Sir Joebert Angeles Member of
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|300 Ω | Conclusion Questions: ( ½ pt each) 1. Incandescent light bulbs have a very thin filament that glows when hot. Thin filaments have very high / low resistance. 2. The 12V battery in your car operates a 25 amp car stereo. What is the resistance of this stereo system? ___________ 3. A “2D” Maglite flashlight runs on 3.0V. What is the current through the bulb if
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