A Certain Metal Has 5 $\Omega$ MThe Average Time Between Collisions of Electrons with Atoms in Electrical

question 39

Multiple Choice

A certain metal has 5.3 *10²⁹ conduction electrons/m³ and an electrical resistivity of 1.9 * 10^-9 $\Omega$ .m.The average time between collisions of electrons with atoms in the metal is:

• A) 5.6 * 10^-33 s
• B) 1.3 *10^-31 s
• C) 9.9 * 10^-22 s
• D) 4.6*10^-15 s
• E) 3.5* 10^-14 s

---

Definitions:

Self-concept

The understanding and assessment of one's own abilities, behavior, and personality.

Carl Rogers

An influential American psychologist who founded the humanistic approach to psychology, emphasizing the importance of free will, self-efficacy, and self-actualization.

Defense Mechanisms

Mental tactics employed by people, collectives, and nations to deal with real situations while preserving their own perception of self.

Congruence

The quality of agreeing, being in harmony, or matching precisely; often used in mathematics and psychology.