The Currents in an Electrical Network Are Given by the Solutions

question 68

Multiple Choice

The currents in an electrical network are given by the solutions of the system where I₁, I₂, and I₃ are measured in amperes. Solve the system of equations using matrices.

• A)I₁ = 4, I₂ = 5, I₃ = 9
• B)I₁ = 2, I₂ = 3, I₃ = 6
• C)I₁ = 2, I₂ = 3, I₃ = 5
• D)I₁ = 4, I₂ = 9, I₃ = 5
• E)no solution