Math Problem Statement

Look at the diagram below. What is the current at y?

Solution

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Math Problem Analysis

Mathematical Concepts

Parallel Circuits
Ohm's Law
Kirchhoff's Current Law

Formulas

V = IR (Ohm's Law)
Kirchhoff's Current Law: Total current entering a junction equals total current leaving it

Theorems

Kirchhoff's Current Law

Suitable Grade Level

Grades 9-12