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  1. ... is simply because when in operation, the temperature of the filament in the light bulb couls be as high as 2000 ~ 3000 K. Under such temperature, the pressure...

  2. ... ─Ω──│ └──V───┘ if the light bulb is shorted, very large current will pass through the...wire, so its reading is zero. if the light bulb burns out, in fact no current will be drawn as...

  3. If a bulb is added to the branch of bulb X, the resistance of that branch will... of A2 is decreased. For the branch with bulbs Y and Z, since it is directly connected to the cell ...

  4. 1. Let R be the resistance of each light bulb , and r be the resistance of the resistor. Hence, voltage... (1) and (2), it is clear that the new voltage across bulb R is smaller than before. Thus...

  5. 問:即係無論未到 bulb 、帶有energy既electrons, 定係已經經過左 bulb 、energy已被用盡既...一段的電流都相等 問:係咪current唔會一味完全充斥晒connectors, 而係按 bulbs 所需既current去flow咁多落去?如果係既話, 如果connectors既resistance太大...

  6. They are different. Ordinary light bulb is hot tungsten filament, which emits a wide spectrum in visible range of light...

    分類:科學及數學 > 化學 2007年10月22日

  7. Connect a light bulb to a motor , and then tie a tiny mass with a string at the rotor (捲). Then.... You can ask the student to rotate the rotor fast to light up the bulb . Chemical Energy to Electric energy. Boil water...

  8. .../plants/hyacinth.shtml http://www.oldhousegardens.com/ bulb .asp?Cat=HY&page=1 http://www.brentandbeckysbulbs.com...

    分類:家居與園藝 > 園藝 2007年12月14日

  9. ...談話轉到比較有趣的題目上去了。 所以to switch to using energy-saving bulb .這句的to之後,也要用名詞相等語,因此就用了動名詞using... 這樣解釋...

    分類:社會及文化 > 語言 2007年07月31日

  10. ...the question, I suppose you are asked to measure the resistance of the bulb by taking the reading of the voltmeter and ammeter and then calculate the...

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