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Physics 54 Online
OpenStudy (anonymous):

please help me answer this.

OpenStudy (anonymous):

OpenStudy (anonymous):

resistances are 20, 30, 9 and 46 clockwise direction.

OpenStudy (ujjwal):

|dw:1341850527648:dw|\[R_4=\frac{R_1R_2}{R_1+R_2+R_3}\]\[R_5=\frac{R_1R_3}{R_1+R_2+R_3}\]\[R_6=\frac{R_2R_3}{R_1+R_2+R_3}\]Use this transformation in either of the triangle (containing 3 resistances).. And find total resistance. And then use ohm's law to find current.

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