Three Very Long, Straight, Parallel Wires Each Carry Currents of 4.00

question 49

Multiple Choice

Three very long, straight, parallel wires each carry currents of 4.00 A, directed out of the page as shown in the figure. The wires pass through the vertices of a right isosceles triangle of side 2.00 cm. What is the magnitude of the magnetic field at point P at the midpoint of the hypotenuse of the triangle?

• A) 4.42 × 10^-6 T
• B) 1.77 × 10^-5 T
• C) 5.66 × 10^-5 T
• D) 1.26 × 10^-4 T
• E) 1.77 × 10^-6 T

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Definitions:

Cost Curve

A graphical representation showing how the cost to produce a given quantity of goods varies.

Cost Curve

A graphical representation showing the cost of producing different levels of output.

Economies of Scale

The reduction in the cost per unit that companies experience as a result of their large scale of operations, usually seeing these expenses decrease as the scale grows.

Diseconomies of Scale

An economic concept where, beyond a certain point, an increase in the scale of production leads to a rise in average costs per unit due to inefficiencies.