The segment of wire (total length including portions of incoming and outgoing wire = 6R) is formed into the shape shown and carries a current I. What is the magnitude of the resulting magnetic field at the point P? 
Definitions:
Cost Method
An accounting method used to value an investment, based on the cost to acquire it, without considering its fair market value changes.
Voting Shares
Shares that grant the holder the right to vote on corporate matters, typically related to company governance.
Bonds Payable
Long-term liabilities on a company's balance sheet, representing the amount owed to bondholders by the issuer.
Straight Line Amortization
A method of allocating an asset's cost evenly over its useful life.
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