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  1. to a low point 相關
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  1. ... by the voltmeter will be nearer equal to the emf of the battery. Points to note: Do not mistakenly think that a low current must give rise to a low potential drop, and a large current leads to a high...

    分類:科學及數學 > 物理學 2017年03月25日

  2. Answers to your three questions: 1. Yes. Assume the earth is a perfect sphere, then objects at any point on the earth surface are all at the same distance from the earth centre...

    分類:科學及數學 > 物理學 2016年12月26日

  3. ...the charged object will also raise (or lower , if the charges are -ve) the... accumulated on the dome of a van de Graff generator cause the dome to acquire a certain potential. In ...

    分類:科學及數學 > 物理學 2016年12月04日

  4. ...field lines are pointing in direction into the paper, the... moving from left to right across the field ...end of the wire be +ve and lower end -ve. A coil can be considered...

    分類:科學及數學 > 物理學 2016年05月11日

  5. ...in x and l are not the same as there is a phase difference between light traveled in air and...39;) where 入' is the wavelength in medium due to lower speed of light. Hence, c/入 = c/(n入') i...

    分類:科學及數學 > 物理學 2016年10月03日

  6. ... temperature region to lower temperature region, thus the...thermometer still records a rise of temperature. .... Q3: To increase the contact surface... the crucial point whether a real image can...

  7. ... than the ignition points of many common flammable ...direct heating such a flammable liquid intest tube... a risk of fire. To solve the problem, the flammable...100°C) is too low to ignite the vapour...

    分類:科學及數學 > 化學 2015年07月29日

  8. ... help IELTS Writing :- (2)two (3)20=150 words (4) a descriptive report (7)height--N.,MEASUREMENT FROM BOTTOM TO TOP. (9)Overall (12)RATE (15)ACCORDING (17)...

    分類:社會及文化 > 語言 2015年06月27日

  9. ... is because the boiling point of ethanol (78°C) is lower than that of water (100°C), and therefore...name "alcohol thermometer" refers to a type of thermometer, in which a glass bulb ...

  10. ... (b)(1) The frustum is identical to that in figure A . Volume of the frustum = 105π cm³... of water = 20/3 cm (b)(2) The lower frustum in figure D is identical to the...

    分類:科學及數學 > 數學 2015年06月07日

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