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If 400 Omega of resistance is made by ad...

If `400 Omega` of resistance is made by adding four `100 Omega` resistance of tolerance `5%`, then the tolerance of the combinations

A

`5%`

B

`10%`

C

`15%`

D

`20%`

Text Solution

Verified by Experts

The correct Answer is:
A
`4R=400+-20`
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