Explain with diagrams what is meant by the “series combination” and “parallel combination” of resistances. In which case the resultant resistance is: (i) less, and (ii) more, than either of the individual resistances?
Answers
Answer:
Explanation:
Explain with diagrams what is meant by the “series combination” and “parallel combination” of resistances. In which case the resultant resistance is: (i) less, and (ii) more, than either of the individual resistances?
in series Combination resistances are connected in series
& Current through all resitiors is same
put Potential Difference acroos each resistor depend upon Each reistance Value
R1 R2 R3 I
----/\/\/\-----/\/\/\/\-----/\/\/\/\------
Current I through Each resistance
Potential Diffrenec across each Resitnace
= IR1 , IR2 , IR3
Total = I(R1 + R2 + R3)
=> Rtotal = R1 + R2 + R3
Total Resistnace > Individual Resitance
in Parallel Combination resistances are connected in series
& Potential Difference across all resistors is same
put current through s each resistor depend upon Each reistance Value
R1 | ----/\/\/\/\----|
R2 |__/\/\/\/\---- |
R3 |___/\/\/\/\----|
Current through Each resistance = V/R1 . V/R2 , V/R3
=> I =V/R = V/R1 + V/R2 + V/R3
=> 1/R = 1/R1 + 1/R2 + 1/R3
Total R = 1/(1/R1 + 1/R2 + 1/R3)
Total Resistnace < Individual Resitance
Answer:ur answer is here,hope it would help u
Explanation:In a series combination the resistances are connected end-to-end. In this the current through all the resistors is same but the potential difference across each resistor is different.In this total resistance is the sum of all the resistances i.e.R1+R2.......Total resistance is greater than the individual resistances.
In a parallel combination the resistances are connected in parallel to the resistors. In this the current through all the resistors is different but the potential difference across each resistor is same. In this the total resistance is the sum of 1/R1,1/R2.....Total resistance is smaller than individual resistances.
Diagrams are there in the attachment...
