The Total Resistance of a Three -Branch Parallel Circuit Is

question 20

Multiple Choice

The total resistance of a three -branch parallel circuit is 76.92 Ω. If R1 = 100 Ω and R2 = 500 Ω, what is the value of R3?

• A)1850 Ω
• B)1000 Ω
• C)140 Ω
• D)More information is needed to calculate R3.

---

Definitions:

Groups

In research, these refer to sets of subjects or items that have been separated based on characteristics or treatment conditions for analysis.

Chi-square Statistic

A statistical measure used in the chi-square test to evaluate the difference between observed and expected frequencies in one or more categories.

Expected Frequencies

The anticipated count of occurrences in each category of a variable, based on probability distributions or theoretical expectations.

Critical Value

A point on a statistical distribution that represents a threshold beyond which a given effect is significant or non-random.