Two Very Long Parallel Wires Are a Distance D Apart

question 32

Multiple Choice

Two very long parallel wires are a distance d apart and carry equal currents in opposite directions.The locations where the net magnetic field due to these currents is equal to zero are

• A) midway between the wires.
• B) a distance d/2 to the left of the left wire and also a distance d/2 to the right of the right wire.
• C) a distance d to the left of the left wire and also a distance d to the right of the right wire.
• D) a distance d/ to the left of the left wire and also a distance d/ to the right of the right wire.
• E) The net field is not zero anywhere.

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Definitions:

Corporate Bond

A type of debt security issued by a corporation to raise funds from investors, who are owed repayment of the loan plus interest.

Futures Contract

A Futures Contract is a legal agreement to buy or sell a particular commodity or financial asset at a predetermined price at a specified time in the future.

Delivery Date

In finance, specifically with futures contracts, it is the date on which the underlying asset must be delivered or received under the terms of the contract.