Question
Asked Feb 17, 2020
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You have 100-ohm resistors. Design a 32-ohm resistor using them. The resistor should be 10% resistance. How would you do that?
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Expert Answer

Step 1

The range of the resistance for the resistor that to be designed can be considered as,

Physics homework question answer, step 1, image 1

Step 2

From the above, it is clear that the resistance for the resistor that to be designed should lie between the range 28.8 Ω to 35.2 Ω. Thus, consider the three resistors of 100 Ω and connect these in parallel combination.

 

Use the expression for the equivalent resistance of the resistors in parallel combination, solve...

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