In R = V/I, the two measured quantities have uncertainties of pm0.2 in 20 and pm0.1 in 4. The percentage uncertainty in the result is:

  1. 1.5%
  2. 3.5%
  3. 1%
  4. 1.25%
Answer

B) 3.5%

For a product or quotient, add the percentage uncertainties: 1% + 2.5% = 3.5%. SLO P-11-A-06 · Application

Physics MCQ · More Physical Quantities and Measurement MCQs · Practise