Recent content by Muthuraj R

  1. M

    What is the difference between the poles of a hollow and solid electromagnet?

    Please find the attached picture.. My understanding : Use right hand thumb rule to find the direction of magnetic flux lines when the direction of currents are known. When I have a 'cross', the lines will be in clockwise direction while I have a 'dot', the lines will be in anticlcokwise...
  2. M

    Microprocessor - Address lines

    A microprocessor with 12 bit address bus will be able to access how many kilobytes of memory ?? 2^12 = 4096 = 4 kB of memory Is it right ? Thanks.
  3. M

    Charge conservation in capacitors

    Dear technician, At time t = 0, the voltage across C1 is 3V ; while the voltage across C2 is 0V. Different voltages. How do u say that they are in parallel ??
  4. M

    Charge conservation in capacitors

    Dear Simon, C1 is charged to 3V before t = 0. C1 and C2 are connected at time t = 0. As you say, C2 is to be charged by C1 (having a voltage of 3V). Now, pls tell me what will happen to the voltage across C1 and C2 at t=0+ (immediately after t=0)
  5. M

    Charge conservation in capacitors

    In the circuit, all elements are ideal. For time t<0, S1 remained closed and S2 open. At t=0, S1 is opened and S2 is closed. If the voltage Vc2 across the capacitor C2 at t=0 is zero, the voltage across the capacitor combination at t=0+ ?? I tried this problem. Obviously, Vc1(0) = 3V ...
  6. M

    What Are the Rules for Diagonal Elements in LU Decomposition?

    Ya. Got it. Attached that file. Pls check and correct me if anything is wrong. Thanks all.
  7. M

    What Are the Rules for Diagonal Elements in LU Decomposition?

    Thanks, chiro. Wikipedia says, "The factorization is unique if we require that the diagonal of L (or U) consist of ones." Fine. Either 'L' or 'U' has to have unity diagonal elements. Algorithms for LU decomposition that I can see in the net follows 'L' to have unity diagonal elements. But my...
  8. M

    What Are the Rules for Diagonal Elements in LU Decomposition?

    Actually I am new to this topic. I read few tutorials about LU decomposition of matrix in the net. A = LU ; A - actual matrix, L - Lower triangular matrix, U - Upper triangular matrix.Few people say that, principal diagonal elements of L should be unity. Some others say that, principal...
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