February 24, 2017

Homework Help: Circuits Problem (Physics)

Posted by Eileen on Saturday, April 12, 2008 at 5:29pm.

h t t p ://

Given the circuit above:
a) Solve for unknown currents.
b) What is the potential difference between points a and b?
c) If both batteries start with 20 A*h of charge, how long does it take the first of the batteries to run out? Which battery is it (left or right)?
d) If both 12V batteries are replaced by batteries of identical voltage, what is the smallest voltage which will result in integer currents throughout the circuit?

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