A 120 V Battery Is Connected Across a 4

question 59

Multiple Choice

A 12.0 V battery is connected across a 4.00-Ω resistor. If the current through the resistor is 2.80 A, what is the internal resistance of the battery?

• A) 0.200 Ω
• B) 0.286 Ω
• C) 4.29 Ω
• D) 3.71 Ω
• E) 0.800 Ω

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Definitions:

Present Value

The immediate value of a prospective amount of money or cash flow series, determined by a specific rate of return.

Future Amount

The predicted total value of an asset or investment at a specific future date, considering factors like interest rates or earnings.

Discounted Value

The present value of a future payment or series of payments, discounted back to the present time using a specific discount rate.

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return, reflecting time value of money.