The Figure Shows Three Long,parallel,current-Carrying Wires

question 22

Multiple Choice

The figure shows three long,parallel,current-carrying wires.The current directions are indicated for currents I₁ and I₃.The arrow labeled F represents the net magnetic force acting on current I₃.The three currents have equal magnitudes.What is the direction of the current I₂?

• A)into the picture (in the direction opposite to that of I₁ and I₃)
• B)horizontal to the right
• C)vertically upward
• D)vertically downward
• E)out of the picture (in the same direction as I₁ and I₃)

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Definitions:

Mining

The extraction of valuable minerals or other geological materials from the Earth.

Extraction Costs

These are expenses associated with the removal of natural resources from the earth, such as mining or drilling.

Present Value

The current value of future cash flows or a lump sum of money, determined by a certain rate of return.