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Question

Physics Question on Current electricity

Three resistors having resistances r1, r2 and r3 are connected as shown in the given circuit. The ratio i3i1\frac{i_3}{i_1} of currents in terms of resistances used in the circuit is
Three resistors

A

r2r1+r3\frac{r_2}{r_1+r_3}

B

r1r2+r3\frac{r_1}{r_2+r_3}

C

r2r2+r3\frac{r_2}{r_2+r_3}

D

r1r1+r2\frac{r_1}{r_1+r_2}

Answer

r2r2+r3\frac{r_2}{r_2+r_3}

Explanation

Solution

The correct answer is option (3) : r2r2+r3\frac{r_2}{r_2+r_3}