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## Homework Statement

In the following circuit, the battery has emf ε = 12.7 V. The resistors are R1 = 2000 Ω . R2 = 3000 Ω, and R3 = 4000 Ω. What is the current through resistor R2 ?

## Homework Equations

Kirchoff's Rules

V=IR

## The Attempt at a Solution

i0 (into A) - i2 (current into resistor 2) - i3 (current into resistor 3) = 0

Then what happens at C and B?