For an Ohmic Substance, the Resistivity Depends On

question 9

Multiple Choice

For an ohmic substance, the resistivity depends on:

• A)the electric field
• B)the potential difference
• C)the current density
• D)the electron mean free time
• E)the cross-sectional area of the sample

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Definitions:

Double Division

A term often related to meiosis, the process by which cells divide to produce gametes (sex cells) involving two rounds of nuclear division resulting in four genetically distinct cells.

Trophoblast

A layer of cells forming the outer shell of a blastocyst, providing nutrients to the embryo and developing into a large part of the placenta.

Extraembryonic Membranes

Membranes that develop outside of the embryo in amniotes, providing protection, nutrition, gas exchange, and waste elimination.

Synapsis

The pairing of two homologous chromosomes that occurs during meiosis, allowing for genetic recombination.