As Shown in the Figure, a Metal Bar Is in Contact

question 69

Multiple Choice

As shown in the figure, a metal bar is in contact with a pair of parallel rails and is in motion with an upward velocity of magnitude ν. A uniform magnetic field is present, directed downward as shown. The direction of the induced current through the resistor R is

• A) from a to b.
• B) from b to a.
• C) No current is induced.

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Definitions:

Ordinal

Pertaining to a category of data or scale type that expresses a sequential order without indicating the exact difference between the levels.

Trait Approach

A psychological perspective emphasizing that personality is composed of stable characteristics (traits) that influence an individual's thoughts, feelings, and behaviors.

Absolute Levels

Absolute levels are fixed reference points or values that remain constant across different contexts or comparisons, often used in measurements or evaluations.

Individual Differences

Variability or variation among individuals in terms of their attributes, behavior, or personality.