Recent content by NOMI_2009

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    Can Gauss's Law Be Applied to a Charged Circular Ring?

    Homework Statement A circular ring of radius a carries a uniform charge q C/m and is placed on x-y plane with axis same as z axis. To determine E at P(0,0,h). My ques is can't we apply gauss theorem? if yes then what will be the gaussian surface? if no then why not? Homework Equations...
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    Doubt about laser power in laser transmitter

    range is about .5 inch
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    Doubt about laser power in laser transmitter

    I'm making a laser torch based audio transmitter n receiver using 2n5777 phototransistor as receiver what must be the min power of the torch