Two Identical Batteries, Each with an Emf of 18 V $\Omega$

question 34

Multiple Choice

Two identical batteries, each with an emf of 18 V and an internal resistance of 1 $\Omega$ , are wired in parallel by connecting their positive terminals together and connecting their negative terminals together.The combination is then wired across a 4- $\Omega$ resistor.The potential difference across the 4- $\Omega$ resistor is:

• A)4.0 V
• B)8.0 V
• C)14 V
• D)16 V
• E)29 V

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Definitions:

Cohort

A group of people sharing a common characteristic, such as being from a given time period.

Longitudinal Study

Research design that involves repeated observations of the same variables over short or long periods of time, often used to observe development changes.

Developmental Factor

An element that contributes to the growth or evolution of an organism or system.

Longitudinal Study

A research design that follows the same subjects over a period of time, allowing for the observation of changes or developments.