Parallel and Series Circuits?
Which elements (individual elements, not combinations of elements) of the networks in the picture are in series? Which are in parallel? Be sure that the elements in series have the same current and that the elements in parallel have the same voltage. Restrict your decisions to single elements, not combinations of elements.
Link to Picture:
http://img89.imageshack.us/img89/8882/xz3c.jpg
I answered
a) Series : R1, R2, R4 Parallel R3, R5
B) All are series
C) All except R3 is a series
D) R1 and R2 are parallel and R3 and R4 are series
e) All but R1 are series
f)All is a parallel
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s= series p= parallel
a)R1=s R2=s the rest are p
b)r1=s and the rest are p
c)r1=s and the rest are p
d) i think all of them are in series. but the 2 power supply is a tricky one.
e) you are right
f)relative (r1 and r4 are p to each other) (r2 and r3 are p to each other) r1 r3 r5 are in series with each other ) r2 r5 are in s) r5 r6 should be in s) r4 r6 are in p to each other)
I agree with Billruss's comment. The question is worded poorly and can't be accurately answered with the given parameters. For example, in fig a)
R1 is in series with the parallel combination of R3/R4/R5, and in series with R2. If you ignore R3/R4/R5 then R1 is not in series with anything as it goes nowhere.
series and parallel can be vague. One battery and one resistor across it, that is both series and parallel. You really have to ask "in series or parallel with what?"
a) 3,4,5 are in parallel and that combo is in series with the other two
b) 2.3.4 are in parallel, and that combo is in series with the other one
c) 2.3.4 are in parallel, and that combo is in series with the other R and batt.
d) this one is vague, depends on your point of view.
e) ditto