Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion
Discussion Forum : Networks Analysis and Synthesis - Section 8 (Q.No. 43)
43.
A wire has a diameter d and resistance R. If the diameter is made 3d, the length and material remaining the same, the new value of resistance will be
Answer: Option
Explanation:
Since diameter is 3d, area of cross-section is increased 9 times. Therefore, resistance is R/9.
Discussion:
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