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A typical car battery is composed of six, 2.1 V cells arranged in series to have an Emf of 12.6 V. For this problem, we will assume a maximum current from the battery of 300.0 A . The starter motor draws about 150 A for 0.80 s to start the car engine. This current is drawn from the battery through a copper wire 5.0 mm in diameter and 1.2 m long. (Typically, the negative side of the battery and all electronics in a car are connected to the chassis to ensure a ground with very low resistance)
a) What is the internal resistance of the battery?
b) What is the resistance of the copper wire?
c) What will the terminal voltage of the battery be while the engine is starting?
d) How much power does the battery supply to the starter motor?
e) How much energy does the starter motor use?
f) How much charge passes through the starter motor?
g) How many electrons pass through the starter motor?
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