if length of a resistance wire become half and cross section area becomes twice what is the relation between old and new resistance
R1=4R
R1=R/4
R1/R=8
None
Answers
Answered by
3
Answer:
Resistance is proportional to length - When wire length becomes half, the resistance becomes half
Resistance is inversely proportional to cross sectional area; Diameter, becomes half, area reduces by Square of diameter i.e 1/4 times; Therefore, resistance becomes 4 times more
Explanation:
follow me
Answered by
2
Answer:
Option 2.
That is R1=R/4
Explanation:
Hope it helps you ♥️♥️✨♥️
And thanq for helping me in my question.
Really sorry as I couldn't mark your answer as Brainliest because its nothing given to mark as Brainliest answer.
Attachments:
Similar questions