Under what conditions will the strength of current in a wire will be the same for connections in series and in parallel of n indentical cells?

Under what condition will the current in a wire be the same when connected in series and in parallel on n identical cells each having internal resistance r and external resistance R?

Under what condition will the current in a wire be the same when connected in series and in parallel on n identical cells each having internal resistance r and external resistance R?

Under what conditions will a galvanic cell send no current into outer circuit ?

How is the fuse wire connected to a circuit ? In series / parallel ?

Under what conditions is the current through the mixed grouping of cells maximum ?

A circuit consists of a resistance R connected to n similar cells. If the current in the circuit is the same whether the cells are connected in series or in parallel, then the internal resistancer of each cell is given by