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:

Central Bank

A national bank that provides financial and banking services for its country's government and commercial banking system and implements monetary policy.

Money Supply

The whole sum of economic financial assets at a specified time.

Money Supply Growth Rate

The rate at which the total amount of monetary assets available in an economy increases over a specific period.

Long-run Phillips Curve

A concept in economics indicating that in the long run, there's no trade-off between inflation and unemployment, showing a vertical line at the natural rate of unemployment.