QUESTION 2Find the expression for the equivalent resistance of 3 resistors (R1,R2.R3) connected in parallel.Sol.In a parallel connection, voltage drops across the resistors so:|=11+ 1213Using, Ohm's LawV =we derive, that1 = V1/ R112 = V2/ R213=V3/ R3Since, the voltage is the same on all resistors, thenV= V1 =Substituting to the, first equation above, we get the following- vy]- va|= V1+ V2V3/So:111+-+-ReaReg R1R2 R3

There are two types of combination of resistances. Series combination : The current is same in each…

Answered: Find the expression for the equivalent…

Find the expression for the equivalent resistance of 3 resistors (R1.R2.R3) connected in parallel. Sol. In a parallel connection, voltage drops across the resistors so: |=|1+ 12 13

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 25PE: (a) What is the internal resistance of a voltage source if its terminal voltage drops by 2.00 V when...

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