A 1500 MΩ resistor is placed across the terminals of a battery, and a terminal voltage of 2.50 V is measured. When this resistor is replaced with a 5.00 Ω resistor, the terminal voltage decreases to 1.75 V. Find the terminal voltage when a 7.00 Ω resistor is used.
A. 2.50 V
B. 1.91 V
C. 1.67 V
D. 2.14 V
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