Two Long Parallel Wires 40 Cm Apart Are Carrying Currents

question 35

Multiple Choice

Two long parallel wires 40 cm apart are carrying currents of 10 A and 20 A in the same direction.What is the magnitude of the magnetic field halfway between the wires?

• A)1.0 x 10^-5 T
• B)2.0 x 10^-5 T
• C)3.0 x 10^-5 T
• D)4.0 x 10^-5 T

---

Definitions:

Net Income Determination

The process of calculating a company's total earnings after subtracting all expenses, including taxes and costs, from total revenues.

Accrual Accounting

An accounting method that records revenues and expenses when they are incurred, regardless of when cash transactions occur.

Cash Basis

An accounting method where revenues are recognized when cash is received and expenses are recognized when paid.

Costs Expire

This concept relates to the recognition of expenses in the income statement when the underlying value or utility of the cost is consumed or no longer exists.