Three resistors having resistances r1, r2 and r3 are connected as shown in the given circuit. The ratio ${{{i_3}} \over {{i_1}}}$ of currents in terms of resistances used in the circuit is :

Question

Three resistors having resistances r₁, r₂ and r₃ are connected as shown in the given circuit. The ratio ${{{i_3}} \over {{i_1}}}$ of currents in terms of resistances used in the circuit is :

${{{r_2}} \over {{r_1} + {r_3}}}$

${{{r_1}} \over {{r_2} + {r_3}}}$

${{{r_2}} \over {{r_2} + {r_3}}}$

${{{r_1}} \over {{r_1} + {r_2}}}$

Solution

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