The wire of length L and resistance R is stretched so that its radius of cross-section is halved. What is its new resistance?

The wire of length L and resistance R is stretched so that its radius of cross-section is halved. What is its new resistance?

(A) 5R

(B) 8R

(C) 4R

(D) 16R

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct answer is (D) 16R

5 views Answered 2023-02-05 15:29

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