A Battery Has an Emf of 9 V and an Internal

question 55

Multiple Choice

A battery has an emf of 9 V and an internal resistance of 2 $\Omega$ .If the potential difference across its terminals is greater than 9 V:

• A)it must be connected across a large external resistance
• B)it must be connected across a small external resistance
• C)the current must be out of the positive terminal
• D)the current must be out of the negative terminal
• E)the current must be zero

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Definitions:

Diagonal Straight Lines

Linear representations in geometry and graphical analyses that slant uniformly between two points.

Indifference Map

A graphical representation of combinations of goods or services between which a consumer is indifferent, showing different levels of utility.

Acceleration

It refers to an increase in the rate or speed of an object or activity, commonly used in physics and economics.

Utility

A measure of satisfaction or pleasure obtained from consuming goods and services.