A Wire Has a Cross-Sectional Area of 0

question 5

Multiple Choice

A wire has a cross-sectional area of 0.10 mm².If there are 4.0 × 10²⁸ atoms per cubic meter in this wire,and if each atom contributes 2 free electrons,what is the drift velocity of the electrons when the current in the wire is 6.0 A? (e = 1.60 × 10^-19 C)

• A)0.0047 m/s
• B)0.0092 m/s
• C)0.94 m/s
• D)0.019 m/s

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Definitions:

Reactive, Difficult Infants

Infants who are particularly likely to react negatively to new situations or stimuli and are generally more challenging to soothe or calm.

Temperamental Traits

Temperamental traits refer to basic aspects of an individual’s personality, such as emotionality or sociability, which are believed to be genetically influenced and present from early life.

Environmental Influences

Factors within one's surroundings that affect behaviors, development, and growth.

Difficult Temperament

A personality trait characterized by a negative mood, intense reactions, and poor adaptability to new situations or environments, often identifiable in infancy.