Recent content by mayan

  1. M

    Signals and Systems: Response of LTI systems to Complex Exponentials

    How will we evaluate the integral for calculation of Amplitude Factor for an LTI system for which the input and output are related by a time shift of 3, i.e., y(t) = x(t - 3) The answer is: H(s) = e^(-3s) I want to understand the Mathematics behind the evaluation of the integral...
  2. M

    Why does the internal resistance of a cell increase as it ages?

    I want to understand that why does the internal resistance of a cell/battery goes on increasing as the cell gets older. What happens inside the cell that causes the internal resistance to increase gradually? Thanks.
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