Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The resistance R = V / I where V = 100  4 volts and I = 10  0.3 ampere . What is the maximum per

The resistance R = V / I where V = 100 \pm 4 volts and I = 10 \pm 0.3 ampere . What is the maximum percentage error in R 

Option: 1

7 \%


Option: 2

5 \%


Option: 3

6 \%


Option: 4

 5.2 \%


Answers (1)

best_answer

R=V/I

\\ \Rightarrow(\frac{\Delta R}{R} \times 100 )_{max} = \frac{\Delta V}{V} \times 100 + \frac{\Delta I}{I} \times 100 \\ = \frac{4}{100 }\times 100 + \frac{0.3}{10}\times 100=(4+3)\% = 7 \%

 

Posted by

Deependra Verma

View full answer

Similar Questions

Latest Question