91 Ī©
78 Ī©
-1A-
52 V
What is the value of r?
Answer in units of Ī©.
r
internal
resistance
8.6 Ī©
ww
13
4.6 V
4.2 Ī©
H
ā12
2.3 V
7.3 V
2Ī©
0.1 Ī©
H
Find the current Iā in the 0.1 Ī© resistor
at the bottom of the circuit between the two
power supplies.
Answer in units of A.
In this problem assume that the batteries