Answer: When the lights of a car are switched on, an
Chapter , Problem 54(choose chapter or problem)
When the lights of a car are switched on, an ammeter in series with them reads 10.0 A and a voltmeter connected across them reads 12.0 V (Fig. 27-60). When the electric starting motor is turned on, the ammeter reading drops to 8.00 A and the lights dim somewhat. If the internal resistance of the battery is 0.0500 n and that of the ammeter is negligible, what are (a) the emf of the battery and (b) the current through the starting motor when the lights are on?
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