Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question
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Question

If the resistance of a wire is r Ohm, and the wire is stretched to double its length, then its resistance is?
Options
A r/2 Ohm
B 4r Ohm
Correct Answer
C 2r Ohm
D .
Correct Answer

Option B is the correct answer.

Detailed Explanation

Stretching to double length quadruples resistance (volume fixed).

Hint

Stretching to double length quadruples resistance (volume fixed).

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 26
Type: Objective
Difficulty: Not specified
Question 1541 of 1819
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