Three Very Long,straight,parallel Wires Each Carry Currents of 4

question 145

Multiple Choice

Three very long,straight,parallel wires each carry currents of 4.0 A,directed out of the page as shown in the figure.These wires pass through the vertices of a right isosceles triangle as shown.Assume that all the quantities shown in the figure are accurate to two significant figures.What is the magnitude of the magnetic field at point P at the midpoint of the hypotenuse of the triangle? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)4.4 µT
• B)18 µT
• C)57 µT
• D)130 µT
• E)1.8 µT

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Definitions:

Cash Outflows

Money leaving a business as a result of its operational, financing, or investing activities.

Project Start

The official beginning date of a project, when activities or implementations are scheduled to commence.

Time Value

The concept that money available now is worth more than the identical sum in the future due to its potential earning capacity.

Project's Cash Flows

The expected movement of cash associated specifically with a project, including both inflows and outflows.