You Are Given a Copper Bar of Dimensions 3 Cm

question 225

Multiple Choice

You are given a copper bar of dimensions 3 cm × 5 cm × 8 cm and asked to attach leads to it in order to make a resistor.If you want to achieve the smallest possible resistance,you should attach the leads to the opposite faces that measure

• A)3 cm × 5 cm.
• B)3 cm × 8 cm.
• C)5 cm × 8 cm.
• D)Any pair of faces produces the same resistance.

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Definitions:

Natural Selection

A fundamental mechanism of evolution, where organisms better adapted to their environment tend to survive and reproduce more successfully.

Speciation

The evolutionary process by which populations evolve to become distinct species, primarily through genetic divergence and reproductive isolation.

Evolutionary Processes

The natural mechanisms that lead to changes in genetic composition of populations over successive generations.

Cladogenesis

An evolutionary splitting event where a single lineage divides into two distinct lineages, leading to increased biodiversity.