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  1. ...a higher melting point. Now, we should discuss the case of air resistance. Your reason may be a partial reason for the fact, but there is a major...

  2. 1. Of course not. "Resistance" is a physical property of a substance, just like...circuit with 1.5A current has the lowest resistance. Mathemati ...

  3. 決定 heater 的 resistance ,要考慮兩個因素: powerefficiency在理想的情況下,根據 P = V²... 的 resistance 越少,power 越大,越能夠迅速加熱,所以 heater 的 ...

  4. ...2009-04-13 23:23:09 補充: 仲有,點解在http://en.wikipedia.org/wiki/Sheet_resistance#For_semiconductors所示的公式個integral是放在分母而不是整個...

  5. ... in series and then parallel with another 1-ohm resistor. Equivalent resistance = 1x2/(1+2) ohms = 2/3 ohm = 0.6667 ohm Hence, in loop ecdf, ...

  6. (i) If you neglect friction on the tyres, the air resistance force is balanced by the force delivered by the...reaction force, which acts on the car by the ...

  7. ... the temperature rises by T degrees C change of resistance of R01 = (R01) x (3.9x10^-3) x T change of resistance of ...

  8. ... think intermolecular force only has very limited effect on the air resistance (almost negligible). However, it will has a much significant influence ...

    分類:科學及數學 > 化學 2008年07月23日

  9. ... connected. Since you have mentioned that the variable resistance is connected in series with a microammeter, I further presume that...

  10. By the term "resistance", we normally refer to d.c. (direct current) resistance in physics. Resistance... all capacitors can be regarded to have ...