it was listed under techniques to solve problems containing " many closed loops and many cells" alongside techniques like 'star delta method' etc.

torque= force* prpendicular distance

dimension of torque= MLT ^{-2 *} L

                                    = ML²T^-2

 

when 2 cells of different EMF and different internal resitsance are connected in parallel what is the current and effective internal resistance

what is roseu's theorem?