The Figure Shows a Bar Moving to the Right on Two

question 15

Multiple Choice

The figure shows a bar moving to the right on two conducting rails. To make an induced current i in the direction indicated, a constant magnetic field in region A should be in what direction?

• A) Right
• B) Left
• C) Into the page
• D) Out of the page
• E) Impossible, cannot be done with a constant magnetic field

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Definitions:

Formal Operations

the final stage of cognitive development in Piaget’s theory, characterized by the ability to think abstractly, logically, and systematically.

Moral Judgments

Evaluations or decisions based on the determination of actions as right or wrong based on a set of ethics or morality.

Abstractly

Thinking in a way that is not concrete or specific, involving general ideas or qualities rather than specific people, objects, or actions.

Future

Pertains to the time or a period that is yet to come, often considered in the context of potential events or possibilities.