Consider the following.   (Take R1 = 10.7 Ω, R2 = 9.1 Ω, and R3 = 4.2 Ω.)   (a) Find the equivalent resistance between points a and b in the figure below. (b) Find the potential difference Vab that will produce a current of 1.0 A in the 2.0 Ω resistor.

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Chapter1: Units, Trigonometry. And Vectors
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Consider the following.  

(Take R1 = 10.7 Ω, R2 = 9.1 Ω, and R3 = 4.2 Ω.)
 
(a) Find the equivalent resistance between points a and b in the figure below.


(b) Find the potential difference Vab that will produce a current of 1.0 A in the 2.0 Ω resistor.
a
1.0 2
R2
3.0 2
2.0 2
R
R3
Transcribed Image Text:a 1.0 2 R2 3.0 2 2.0 2 R R3
Expert Solution
Step 1

a.

Equivalent Resistance of resistors arranged in series is given by

                      Req = R1 + R2

Equivalent resistance when resistance when resistors are arranged in parallel,

                     1Req = 1R1+1R2+........

Now given in the question,

                       R1 = 10.7 ΩR2 = 9.1 ΩR3 = 4.2 Ω

 

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