Engineering Board Exam Reviewer · Voltage, Current and Resistance · easy

A 10 k potentiometer has its wiper set 30% of the way from one end. What is the resistance between the wiper and that end?

  1. 7 k
  2. 0.3 k
  3. 30 k
  4. 3 k

Answer

D. 3 k

Solution

Resistance is proportional to wiper position: 0.30×10 k =3 k .

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