A car battery with a 12 V emf and an internal resistance of 0.058 ohms is being charged with a current of 42 A. What are (a) the potential difference across the terminals, (b) the rate P_(r) of energy dissipation inside the battery and (c) the rate P_(emf )of energy conversion to chemical form? WHen the battery is used to supply 42A to the starter motor, what are (d) V and (e)P_(r)?
Added by Daniel B.
Step 1
Given Data: - Emf of the battery, \( E = 12 \, \text{V} \) - Internal resistance of the battery, \( r = 0.058 \, \Omega \) - Charging current, \( I = 42 \, \text{A} \) Show more…
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