Force on Parallel Wires: the Figure Shows Three Long, Parallel

question 37

Multiple Choice

Force on parallel wires: The figure shows three long, parallel current-carrying wires. The magnitudes of the currents are equal and their directions are indicated in the figure. Which of the arrows drawn near the wire carrying current 1 correctly indicates the direction of the magnetic force acting on that wire?

• A) A
• B) B
• C) C
• D) D
• E) The magnetic force on current 1 is equal to zero.

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Definitions:

Puts

Options contracts giving the owner the right, but not the obligation, to sell a specified amount of an underlying asset at a set price within a specified time.

Underlying Security

The asset upon which a derivative contract, such as an option, is based.

Option

A financial derivative that represents a contract giving the buyer the right, but not the obligation, to buy or sell an underlying asset at a specified strike price on or before a specified date.