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Question Number 84845 by Rio Michael last updated on 16/Mar/20

Commented by Rio Michael last updated on 16/Mar/20

$$\mathrm{The}\mathrm{circuit}\mathrm{above}\mathrm{shows}\mathrm{how}\mathrm{resistors}\mathrm{and}\mathrm{cells}\mathrm{can}\mathrm{be}\mathrm{connected}$$$$\mathrm{given}\mathrm{that}a,b\mathrm{and}c\mathrm{represent}\mathrm{currents}.\mathrm{Using}\mathrm{kirchoffs}\mathrm{laws},$$$$\mathrm{a})\mathrm{find}\mathrm{the}\mathrm{values}\mathrm{of}a,b\mathrm{and}c.\left[\mathrm{these}\mathrm{are}\mathrm{not}\mathrm{usual}\mathrm{symbols}\right]$$$$\mathrm{b})\mathrm{Calculate}\mathrm{the}\mathrm{pd}\left(\mathrm{potential}\mathrm{difference}\right)\mathrm{between}\mathrm{A}\mathrm{and}\mathrm{B}.$$

Answered by ajfour last updated on 16/Mar/20

$$6-10a+5b=0$$$$9-10a+15c=0$$$$a+b+c=0$$$$Finda,b,c.$$$$V_A-10a=V_B.$$

Commented by Rio Michael last updated on 16/Mar/20

$$\mathrm{thanks}\mathrm{sir}$$

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