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:

Self Regulating

A system or market that is able to adjust and correct itself without external intervention.

Keynes

John Maynard Keynes, a British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments.

Aggregate Demand

The total demand for all goods and services within an economy at a particular time and price level, including consumption, investment, government spending, and net exports.

Say's Law

An economic theory proposing that the production of goods creates its own demand, attributed to the French economist Jean-Baptiste Say.