The Emf and the Internal Resistance of a Battery Are

question 42

Multiple Choice

The emf and the internal resistance of a battery are shown in the figure.If a current of 7.8 A is established through the battery from b to a,what is the terminal voltage V_ab of the battery?

• A)-30 V
• B)80 V
• C)30 V
• D)-80 V
• E)zero

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Definitions:

Potential Victims

Individuals or groups who are at risk of harm or adverse effects from another's actions, environmental situations, or accidents.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together.

IQ

Stands for Intelligence Quotient, a standardized score derived from a set of tests designed to measure human intelligence.

Interpret Correlation

A statistical measure that describes the extent to which two variables change together, and thus how well one variable can predict the other.