The Heating Element of a Toaster Is a 5

question 192

Multiple Choice

The heating element of a toaster is a 5.4-m length of nichrome wire of diameter 0.48 mm.The resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10^-6 Ω ∙ m.The toaster is designed to operate at a voltage of 120 V.How much power does it draw in normal operation?

• A)370 W
• B)360 W
• C)380 W
• D)400 W
• E)410 W

---

Definitions:

Theory

A systematic framework of concepts and purposes designed to explain specific phenomena or predict future outcomes based on empirical evidence.

Phenomenon

An observable event or fact, especially one that is not fully understood, distinguished by its remarkable or unusual nature.

Interrelated Hypotheses

Interrelated hypotheses are hypotheses that are connected or have a logical relationship with each other within a broader research context.

Parsimony

The principle that among competing hypotheses that predict equally well, the one with the fewest assumptions should be selected.