Physics, asked by mdkmattt4855, 1 year ago

nichrome wire of length 1 and radius R has resistance of 10 ohm how would the resistance of the wire change when i) only length of wire doubled ii) only diameter of the wire is doubled?

Answers

Answered by Goldberg11
0
only length of the wire doubled
Answered by bhum30
4

Answer:

Explanation:

R ∝ L So resistance becomes two times i.e., R = 20 Ω

(ii) R ∝ 1/A ∝ 1/d2 So when the diameter is doubled, resistance becomes one-fourth of the original i.e., R =2.5 Ω

Similar questions