Two Long Parallel Wires Are Placed Side-By-Side on a Horizontal $F / 4$

question 18

Multiple Choice

Two long parallel wires are placed side-by-side on a horizontal table and carry current in the same direction. The current in one wire is 20 A, and the current in the other wire is 5 A. If the
Magnetic force on the 20-A wire has magnitude F, what is the magnitude of the magnetic force on
The 5-A wire? No external magnetic fields are present.

• A) \(F / 4\)
• B) \(4 F\)
• C) \(F / 2\)
• D) \(F\)
• E) \(2 F\)

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Definitions:

Fixed Cost

Costs that do not change with the level of output or sales, such as rent, salaries, and loan payments.

Interest Rate

The percentage of a sum of money charged for its use, typically expressed as an annual percentage rate.

Net Profit

The actual profit after working expenses not included in the calculation of gross profit have been paid.

Fixed Cost

A cost that does not change with an increase or decrease in the amount of goods or services produced or sold.