10th Class Science Electricity and Circuits Question Bank 10th CBSE Science Electricity

  • question_answer
      Derive an expression for equivalent resistance in the following case The Plan Decide which resistances are in series and parallel. Solve for series and then for parallel. Combine both the results to get the equivalent resistance.                

    Answer:

                       and  are in series. Thus, for this combination, Similarly,  and  are in series, so                                                                   (1) R' and R" are in parallel.  and are in series.                    (1)


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