A15-Ω Resistor Is Connected in Parallel with a 30-Ω Resistor

question 168

Multiple Choice

A15-Ω resistor is connected in parallel with a 30-Ω resistor.If this combination is now connected in series with an ideal 9.0-V battery and a 20-Ω resistor,what is the current through the 15-Ω resistor?

• A)0.10 A
• B)0.13 A
• C)0.20 A
• D)0.26 A

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can vary in the analysis without violating any constraints.

P(t > t)

A statistical expression used to compute the probability that the test statistic t exceeds a certain value, often used in hypothesis testing.

Skewed

A distribution that is not symmetrical around its central value, indicating that the data points tend to be more spread out on one side of the scale.

Student t

A distribution that is used in hypothesis testing, especially for small sample sizes, when the population standard deviation is unknown.