The Resistance of a Wire Varies Directly as Its Length $50$

question 115

Essay

The resistance of a wire varies directly as its length and inversely as the square of its diameter. A wire $50$ m long and $0.01$ m in diameter has a resistance of $25$ $\Omega$ . Write an equation to describe its resistance, and find the resistance of a wire made of the same material that is $20$ m long and has diameter $0.02$ m.

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Definitions:

Subjective Predictors

Variables perceived by individuals that they believe will predict future outcomes, often based on personal judgment.

Happiness

A state of wellness characterized by emotions ranging from contentment to intense joy.

Catharsis Theory

The proposition that expressing negative emotions produces a healthy release of those emotions and is therefore good for the psyche.

Expressing Anger

The process of communicating or demonstrating feelings of anger, which can range from verbal expression to physical acts.