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The resistance R = V//i, where V = 100 +...

The resistance `R = V//i`, where `V = 100 +- 5 V and I = 10+- 0.2 A`. What is the total error in `R`?

A

`5%`

B

`7%`

C

`5.2%`

D

`(5)/(2)%`

Text Solution

Verified by Experts

The correct Answer is:
2
`(/_\R)/(R)=(/_\V)/(V)+(/_\I)/(I)=(5)/(100)+(0.2)/(10)`
`(/_\R)/(R)xx100=7%`
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