A battery is used in a physics lab to supply 3.00 A to a circuit. A...

 

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A battery is used in a physics lab to supply 3.00 A to a circuit. A voltmeter connected in parallel across the cell reads 5 V in an open circuit (figure a) and 4.7 V in a closed circuit (figure b) when the cell supplies 3.00 A to the circuit. What is the internal resistance of this battery (in Ohms)? Your answer should be a number with three decimal places, do not include the unit. Figure a www wive Figure b A battery is used in a physics lab to supply 3.00 A to a circuit. A voltmeter connected in parallel across the cell reads 5 V in an open circuit (figure a) and 4.7 V in a closed circuit (figure b) when the cell supplies 3.00 A to the circuit. What is the internal resistance of this battery (in Ohms)? Your answer should be a number with three decimal places, do not include the unit. Figure a www wive Figure b

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To determine the internal resistance of the battery we can use the concept of electromotive force EM... View the full answer