The figure shows a cross section of three parallel wires each carrying a current of 15 A. The currents in wires A and C are out of the paper, while that in wire B is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0-m length of wire C? 
Definitions:
Normal Credit Balance
The expected or usual balance of a specific account, where liability, equity, and revenue accounts typically have credit balances.
Perpetual Inventory System
An inventory management method where inventory quantities and costs are updated continuously with each sale or purchase.
Accounts Payable
Liabilities of a business that are owed to creditors for goods and services purchased on credit.
Credit To Inventory
An accounting entry that increases the inventory asset account due to purchases on credit.
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