Two Long, Parallel Wires Are Attracted to Each Other by a Force

question 32

Multiple Choice

Two long, parallel wires are attracted to each other by a force per unit length of 160 ìN/m when they are separated by a vertical distance of 0.50 m. The current in the upper wire is 20.0 A to the right. Where on the line in the plane of the two wires does the total magnetic field equal zero?

• A)0.1 m below the upper wire
• B)0.2 m below the upper wire
• C)halfway between the wires
• D)0.3 m below the upper wire

---

Definitions:

Planning Budget

A budget created for a specific period in the future, outlining expected revenue, expenses, and resource needs.

Vehicle Operating Cost

The total expense associated with maintaining and running a vehicle, including fuel, maintenance, insurance, and depreciation.

Snow-Day

A colloquial term typically referring to a day when schools or businesses are closed due to excessive snowfall that impedes travel and regular operations.

Other Expenses

Expenditures that are not directly related to the production of goods or services, such as administrative and selling expenses.