How Much Does It Cost to Operate a 25-W Soldering

question 118

Multiple Choice

How much does it cost to operate a 25-W soldering iron for 8.0 hours if energy costs 8.0¢/kWh?

• A)$1.50
• B)25¢
• C)16¢
• D)1.6¢

---

Definitions:

Sleep Deprivation

The condition of not having enough sleep; it can be chronic or acute, and may negatively impact physical, mental, and emotional functions.

Independent Variable

The variable in an experimental setup that is manipulated or changed to observe its effects on the dependent variable.

Students' Rights

The legal and ethical entitlements and protections afforded to students within educational institutions.

Complete Experiment

A Complete Experiment involves a fully implemented study that tests hypotheses through the manipulation of variables and observation of their effects on some outcomes.