Electronics - Series-Parallel Circuits - Discussion
Discussion Forum : Series-Parallel Circuits - General Questions (Q.No. 25)
25.
If a series–parallel circuit has all 30-ohm resistors, what is the total resistance when R1 is in series with a parallel circuit consisting of R2 and R3?
Discussion:
2 comments Page 1 of 1.
DIMPAL KUMAR said:
1 decade ago
R= R1+ R2*R3/R2+R3
R= 30+30*30/30+30
R= 30 ohm + 15 ohm
R=45 ohm
R= 30+30*30/30+30
R= 30 ohm + 15 ohm
R=45 ohm
DIMPAL KUMAR said:
1 decade ago
R2 & R3 parallel then equavelent resistance R2*R3/R2+R3=15 ohm.
This is parallel with R1 then total resistance (R)=(R1+15) ohm
R1=30
R=(30+15)ohm
R=45 ohm
This is parallel with R1 then total resistance (R)=(R1+15) ohm
R1=30
R=(30+15)ohm
R=45 ohm
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