The resistance of a wire is `2 Omega`. The wire is stretched to doubel its length. Now the resistance of the wire will become

Question

The resistance of a wire is `2 Omega`. The wire is stretched to doubel its length. Now the resistance of the wire will become

The resistance of a wire is `2 Omega`. The wire is stretched to doubel its length. Now the resistance of the wire will become
A. `0.25R`
B. `0.5R`
C. `2R`
D. `4R`

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 - D
`R_(2)=n^(2)R_(1)=2^(2)xxR=4 R`

5 views Answered 2023-02-05 15:29