An Old 90-V Battery Produces a Potential Difference of 9

question 41

Multiple Choice

An old 9.0-V battery produces a potential difference of 9.0 V when checked with a voltmeter.If the internal resistance is 14.3 Ω and a 100 Ω resistor is connected across the battery leads,what is the voltage across the battery's leads?

• A)7.9 V
• B)11 V
• C)5.4 V
• D)9.0 V
• E)7.1 V

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