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Question Number 70568 by Rio Michael last updated on 05/Oct/19
Commented by Rio Michael last updated on 05/Oct/19
$${please}\:{help}. \\ $$$$ \\ $$$${find}\:{from}\:{the}\:{above}\:{circuit},\: \\ $$$$ \\ $$$$\left.{a}\right)\:{the}\:{reading}\:{on}\:{the}\:{ammeters}\:\:{a},{b},{c}\:\left({assume}\:{to}\:{have}\:{effectively}\right. \\ $$$$\left.{zero}\:{resistances}\right) \\ $$$$ \\ $$$$\left.{b}\right)\:{the}\:{potential}\:{difference}\:{between}\:{X}\:{and}\:{Y}. \\ $$$$ \\ $$$$\left.{c}\right)\:{the}\:{power}\:{dissipated}\:{as}\:{heat}\:{in}\:{the}\:{circuit} \\ $$$$ \\ $$$$\left.{d}\right)\:{the}\:{power}\:{delivered}\:{by}\:{the}\:\mathrm{12}{V}\:{cell}. \\ $$$$\left({you}\:{can}\:{use}\:{kirchhoff}'{s}\:{law}\:{please}\right)\: \\ $$$$ \\ $$