In a Loop in a Closed Circuit, the Sum of the Currents

question 74

Multiple Choice

In a loop in a closed circuit, the sum of the currents entering a junction equals the sum of the currents leaving a junction because

• A) the potential of the nearest battery is the potential at the junction.
• B) there are no transformations of energy from one type to another in a circuit loop.
• C) capacitors tend to maintain current through them at a constant value.
• D) current is used up after it leaves a junction.
• E) charge is neither created nor destroyed at a junction.

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Definitions:

Type II Error

A statistical error that occurs when a false null hypothesis is not rejected, meaning a true effect is missed.

Chi-Squared Distribution

A probability distribution used in hypothesis testing that is applicable to categorical data and tests of independence.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one, used as a basis in probability theory.

Nominal Data

Nominal data refers to categorical data that can be named or labeled but not meaningfully ordered.