Physics · Units, Dimensions & Error Analysis

NEET (UG) 2023 — Question 4

Resistance of a carbon resistor determined from colour codes is (22000±5%)Ω(22000 \pm 5 \%) \Omega. The colour of third band must be :

  1. Option A:

    Green

  2. Option B:

    Orange

    Correct
  3. Option C:

    Yellow

  4. Option D:

    Red

Answer: B

Step-by-step solution

Resistance =(22×103)Ω±5%=\left(22 \times 10^3\right) \Omega \pm 5 \% Third band corresponds to decimal multiplier. Decimal multiplier =103=10^3 ⇒\Rightarrow Colour →\rightarrow Orange

Answer key and solution verified before publishing.

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Exam
NEET (UG) 2023
Subject
Physics
Chapter
Units, Dimensions & Error Analysis
Topic
Significant Figures and Error Analysis
Resistance of a carbon resistor determined from colour codes is… | NEET (UG) 2023 PYQ with Solution · DhiX AI