Two Loops of Wire Are Arranged So That a Changing

question 20

Multiple Choice

Two loops of wire are arranged so that a changing current in one,the primary,will induce a current in the other,the secondary.The secondary loop has twice as many turns as the primary loop.The current in the primary at this moment is 6 A and increasing.The current in the secondary must be:

• A) 3 A.
• B) 6 A.
• C) zero.
• D) There is insufficient information to work this problem.

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Definitions:

Catch Size

The quantity of fish or any other marine species that is caught within a particular period.

Resource Use

The way in which human societies utilize natural resources to fulfill their needs and wants.

Real Cost

The total economic cost of production, considering all direct and indirect resources consumed, including opportunity costs.