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PHY 102 Test Compilation PHY 102 26 Objective Question
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Question

A length of wire has a resistance of 10 Ohm. What is the resistance of a wire of the same material three times as long and twice the cross-sectional area?
Options
A 30 Ohm
B 20 Ohm
C 15 Ohm
Correct Answer
D 7.5 Ohm
Correct Answer

Option C is the correct answer.

Detailed Explanation

R_new=(3/2)x10=15 Ohm.

Hint

R_new=(3/2)x10=15 Ohm.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 26
Type: Objective
Difficulty: Not specified
Question 1515 of 1819
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