Question Detail

PHY 102 Test Compilation PHY 102 25 Objective Question
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Question

Calculate the ratio of the resistivity of 2 wires having the same length and same resistance with cross-sectional areas 2 m2 and 5 m2 respectively.
Options
A 5:7
B 2:7
C 2:5
Correct Answer
D 7:5
Correct Answer

Option C is the correct answer.

Detailed Explanation

R=rho L/A fixed R,L means rho proportional to A: 2:5.

Hint

R=rho L/A fixed R,L means rho proportional to A: 2:5.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 25
Type: Objective
Difficulty: Not specified
Question 1495 of 1819
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