An automobile battery has an emf of 12.6 V and an internal resistance of 0.0540 2. The headlights together have an equivale resistance of 7.70 2 (assumed constant). (a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter you answer to at least two decimal places.) (b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of curr in the motor? (Enter your answer to at least two decimal places.) V

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An automobile battery has an emf of 12.6 V and an internal resistance of 0.0540 2. The headlights together have an equivalen
resistance of 7.70 2 (assumed constant).
(a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter your
answer to at least two decimal places.)
(b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of curre
in the motor? (Enter your answer to at least two decimal places.)
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Transcribed Image Text:An automobile battery has an emf of 12.6 V and an internal resistance of 0.0540 2. The headlights together have an equivalen resistance of 7.70 2 (assumed constant). (a) What is the potential difference across the headlight bulbs when they are the only load on the battery? (Enter your answer to at least two decimal places.) (b) What is the potential difference across the headlight bulbs when the starter motor is operated, with 35.0 A of curre in the motor? (Enter your answer to at least two decimal places.) V Submit Answer
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