Chemical Engineering - Chemical Engineering Basics - Discussion

Discussion Forum : Chemical Engineering Basics - Section 1 (Q.No. 17)
17.
Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)
A
l
A2
both 'a' & 'b'
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 2 of 3.

Nipu kalita said:   7 years ago
The Correct option is D, Because it does not mention whether it is directly or inversely proportional.

Bhagvat saran said:   8 years ago
Resistance is directly proportional to length and inversely proportional to area. So the correct answer is B.

Ankit said:   8 years ago
I agree @Sophia, the answer is D.

Anil said:   1 decade ago
Resistance is directly proportional to length and inversely proportional to area.

Max said:   8 years ago
When only 'proportional' is used the without specifying which proportion it means that only the positive proportion is implied. Just as writing 20, means +ve and -20 means -ve 20. So the answer is B.

RCT said:   8 years ago
Here, Proportional means directly proportional.

Then answer is B.

Rikshita Agarwal said:   8 years ago
The answer should be 'B'.

Ram said:   9 years ago
The correct answer should be 'B'.

Ashwini Bagde said:   9 years ago
It should be option B as R is proportional to the only l.

Imran said:   9 years ago
The correct answer is only B.


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