The Figure Shows the Cross Section Through 3 Long Wires

question 54

Multiple Choice

The figure shows the cross section through 3 long wires with linear mass density 100 g/m.They carry currents I₁,I₂,and I₃ in the directions shown.Wires 2 and 3 are 10 cm apart and are attached to a vertical surface,and each carry a current of 600 A.What current I₁ will allow wire 1 on the right to "float" such that its distance from the vertical surface is 10 cm?

• A)1021 A
• B)512 A
• C)700 A
• D)256 A

---

Definitions:

Winner-Take-All

A system in which the candidate who receives the most votes in an election wins everything, receiving all of a state's electoral votes or all seats up for election, with no prizes for second place.

Republican Party

A major political party in the United States that traditionally supports conservative policies, smaller government, and free-market principles.

Slavery

A system in which individuals are owned by others as property, deprived of personal freedom, and forced to perform labor or services.

Taxes

Compulsory financial charges or some other type of levy imposed upon a taxpayer by a governmental organization in order to fund government spending and various public expenditures.