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  1. Old_Sk3wl

    re-entry question....

    "dicuss five issues relating to safe re-entry of the space shuttle into the earths atmosphere and landing on the earth?"
  2. Old_Sk3wl

    fibre optic experiment

    hey all :) has this question in our trial exam: "describe an investigation that you carried out to observe the transfer of light by optical fibres" and we havent carried out this experiment :( can anyone give me an example answer?
  3. Old_Sk3wl

    silicon in transformers

    "explain why silicon became the preferred material for use in transformers?"
  4. Old_Sk3wl

    transformer question - HELP!

    "decribe the general features of transformers, giving information on the requirements for their operation and the techniques developed to improve their efficiency" :(
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