A Changing Current in One Loop of Wire Can Induce

question 6

Multiple Choice

A changing current in one loop of wire can induce a current in another loop of wire even though the wires do not touch.The induced current appears almost instantaneously for loops close together.How can this energy exchange happen?

• A)This is one of those things for which science has no adequate explanation yet.
• B)The second loop is affected by the thermal exchange from the heating of the first loop.
• C)It is a gravitational effect on the electrons.
• D)It is done via an electromagnetic wave.

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Definitions:

Substitution Effect

The change in consumption patterns due to a shift in relative prices, leading consumers to replace more expensive items with cheaper alternatives.

Leisure

Free time spent away from business, work, and domestic chores, often used for relaxation, recreation, or hobbies.

Substitution Effect

The effect of a change in the price of a good or service on the demand for that good or service, due to consumers switching to or from substitutes.

Wages

The fixed regular payment, usually calculated on an hourly, daily, or weekly basis, paid by an employer to an employee for work performed.