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Thread: Few Questions!!! Please Help ASAP :D

  1. #1 Few Questions!!! Please Help ASAP :D 
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    I am stuck on a couple of questions leading up to my exam tomorrow... They are as follows:

    8. Use the table below to answer the following questions



    List the substances, rubber wool, ebonite and acetate in order from strongest attracting power for electrons to weakest attracting power.

    What further tests would you have to perform to be sure of the position of glass?

    I will post up more....


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  4. #3 Re: Few Questions!!! Please Help ASAP :D 
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    Quote Originally Posted by yvelas
    I am stuck on a couple of questions leading up to my exam tomorrow... They are as follows:

    8. Use the table below to answer the following questions



    List the substances, rubber wool, ebonite and acetate in order from strongest attracting power for electrons to weakest attracting power.

    What further tests would you have to perform to be sure of the position of glass?

    I will post up more....
    I would have to try them myself before answering. It has been to long since the last time I fooled around with them.

    I do a lot of polishing, and often you find out, what does or does not give up electrons, when you get hit with a little miniature lightning bolt. All ferrous carbon metals and chromium ferrous metals give up electrons to a linen wheel.

    But there may be an effect of ARC taking place. Not that it would change the condition. It is just a good idea to understand what is taking place. The metal appears to be unable to raise in voltage. Often the metal will pull in miniature lightning bolts. In the winter in dry cold air, metal being polished can draw in large white bolts of energy, from wood.

    I do not understand what they mean by positive and negative in that chart. Because positive pressure or positive electromotive force, is where the electrons are abundant. Yet on a current car battery, the (+) terminal is short of electrons.

    From my experience the best insulator is the most abundant with electrons.




    Sincerely,


    William McCormick
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