Two Parallel Wires Carry the a Current I in the Same

question 79

Multiple Choice

Two parallel wires carry the a current I in the same direction.Midway between these wires is a third wire,also parallel to the other two,which carries a current 0.5 I,but in the direction opposite from the first two wires.In which direction are the net forces on the outer wires?

• A) Since the net forces are zero,there is no direction.
• B) Both forces are toward the center wire.
• C) Both forces are away from the center wire.
• D) Both forces on the two wires are in the same direction in space.

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Definitions:

Elasticity Of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of consumers to price changes.

Elasticity Of Supply

A measure of how much the quantity supplied of a good responds to a change in the price of that good, quantitatively determined by the percentage change in quantity supplied divided by the percentage change in price.

Tax Revenue

The revenue acquired by governments via tax collection.

FICA

The Federal Insurance Contributions Act tax, a United States federal payroll (or employment) tax imposed on both employees and employers to fund Social Security and Medicare—federal programs that provide benefits for retirees, people with disabilities, and children of deceased workers.