Round to the Nearest Tenth Unless Indicated Otherwise

question 40

Multiple Choice

Round to the nearest tenth unless indicated otherwise.
-At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.46 ohm when the diameter is 1 mm and the length is 230 cm, what is the
Resistance when the diameter is 2 mm and the length is 2170 cm?

• A) 1.1 ohm
• B) 542.5 ohm
• C) 249.6 ohm
• D) 2.2 ohm

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Definitions:

Piagetian Theory

Piagetian Theory refers to the cognitive development theory proposed by Jean Piaget, which suggests that children move through four stages of mental development.

Mental Structures

Conceptual frameworks or patterns of thinking that individuals use to process and organize information.

Memory Capacity

The amount of information that can be held in the memory system at one time, varying across different types and stages of memory.

Sensorimotor Stage

A Piagetian stage of infancy marked by the absence of the capacity for mental representation.