Two Coils,1 and 2,with Iron Cores Are Positioned as Shown

question 27

Multiple Choice

Two coils,1 and 2,with iron cores are positioned as shown in the figure.Coil 1 is part of a circuit with a battery and a switch.

-Assume that S has been closed for a long time.Which one of the following changes will result in an induced magnetic field in coil 2 that points toward C?

• A)The switch S is opened.
• B)The iron core is removed from coil 1.
• C)Coil 1 and its core are moved toward A.
• D)Coil 1 and its core are moved toward B.
• E)Coil 2 and its core are moved toward C.

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Definitions:

MRTS

Marginal Rate of Technical Substitution, the rate at which a firm can substitute one input for another while keeping the level of output constant.

Labor

The human effort, both physical and mental, that is used in the production of goods and services.

Isoquants

Curves on a graph that represent different combinations of inputs that produce the same level of output, used in production theory.

Robot Hours

The amount of time robots are operational and performing tasks or production processes in a manufacturing or service setting.