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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

0.2

B

0.05

C

0.1

D

0.15

Text Solution

Verified by Experts

The correct Answer is:
B
Resistance of combination, `R_(e)=4R`
`(Delta R_(e))/(R_(e))=(Delta R)/(R )=(5xx100)/(100)=5%`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CURRENT ELECTRICITY-EXERCISE 1
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