An automobile starter motor is connected to a 12.0 V battery. When the starter is activated it draws 140A of current, and the battery voltage drops to 8.5 V.What is the battery's internal resistance?

A 26 \( m \Omega \)

B 22 \( m \Omega \)

C 25m \( \Omega \)

D 27m \( \Omega \)

Solution

Correct Answer: Option C

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