Physics, asked by kptiwarikujhi, 6 months ago

a given resistance wire has a resistence of 6 ohm how will its resistance change it (a) only its length is doubled (b) only its cross section area is doubled (c) only the radius of the wire is the doubled ​

Answers

Answered by deepikamr06
0

Answer:

Resistance of a wire is directly proportional to the length of a wire; so if the length is doubled, resistance is also doubled. ... Thus, if radius is doubled, area increases four times and hence the resistance becomes one-fourth.

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