Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion

Discussion Forum : Networks Analysis and Synthesis - Section 9 (Q.No. 41)
41.
As the diameter of a wire is doubled, the resistance becomes
twice
one half
one fourth
four times
Answer: Option
Explanation:

Since diameter is doubled, area of cross-section becomes four times and resistance is inversely proportional to area of cross-section.

Discussion:
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