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 3 of 3.

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

R ∝ l/A.

R = ρl/A.

Here ρ is electrical resistivity.

Arain said:   1 decade ago
The answer should be "B" as resistance increases with length but decreases with cross sectional area.

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


Post your comments here:

Your comments will be displayed after verification.