Please answer all 4 parts if you are going to attempt. Resistors in Series: Cons

Question

Please answer all 4 parts if you are going to attempt.

Resistors in Series: Consider the combination of five identical resistors shown in Figure 1. What is the total resistance between point A and B? 2. Suppose that the resistors in Figure 1 are removed one at a time and the total resistance measured. Assuming that the observable variables are the total resistance between A and B [R_AB) and the number of resistors (n), what could be plotted to obtain a straight-line? What is the physical significance of the slope? 3. Resistors in Parallel:

Explanation / Answer

1. Req = R1+R2+R3+R4+R5 = R+R+R+R+R = 5R

2. No of resistors used vs Req should be plotted to obtain a straight line. Straight line will show the constant current flowing through the circuit.

3. 1/Req = 1/R1+1/R2+1/R3+1/R4+1/R5 = 1/R+1/R+1/R+1/R+1/R = 5/R

Req= R/5

4. No of resistors used vs Req should be plotted to obtain a straight line. Straight line will show the constant current flowing through the circuit.

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