The bulbs act as resistors.
Assuming that each bulb has a resistance of R, we can get the equivalent resistance for the different cases.
Equivalent resistance for resistors in parallel:
Equivalent resistance for resistors in series:
From lowest to highest, rank the overall value of the resistance across the circuit from the point labeled j to the point labeled k.
a. A, B, C
b. A, C, B
c. B, A, C
d. B, C, A
e. C, A, B
f. C, B, A
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