The Voltage Drop Across a Metal Bar Is $5.0 \mathrm {~V}$

question 57

Multiple Choice

The voltage drop across a metal bar is $5.0 \mathrm {~V}$ while there is a current of $10.0 \mathrm {~mA}$ through it.How much power does this bar dissipate?

• A)50 mW
• B)500 μW
• C)2.5 kW
• D)0.50 kW

---

Definitions:

Dependent Variables

Variables in an experiment that are expected to change as a result of an experimental manipulation of the independent variable(s).

Independent Variables

Factors that are manipulated or selected by the researcher to determine their effect on an outcome.

Multivariate Analysis of Variance

A statistical method used to compare group means on several dependent variables simultaneously.

Independent Variables

Variables in an experiment or model that are manipulated or categorized to observe their effect on dependent variables.