If a wire of resistance `25Omega` is uniformly stretched until its length becomes three times its original length then its new resistance is

Question

If a wire of resistance `25Omega` is uniformly stretched until its length becomes three times its original length then its new resistance is

If a wire of resistance `25Omega` is uniformly stretched until its length becomes three times its original length then its new resistance is
A. `100Omega`
B. `225Omega`
C. `2.25Omega`
D. `122.5Omega`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`R_(2)=n^(2)R_(1)=3^(2)xx 25 = 225 Omega`

5 views Answered 2023-02-05 15:29