Question Detail

PHY 102 Test Compilation PHY 102 5 Objective Question
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Question

Length of wire has resistance 10Ω. Same material, three times length, twice area? (repeat)
Options
A 30Ω
B 20Ω
C 15Ω
Correct Answer
D 7.5Ω
Correct Answer

Option C is the correct answer.

Detailed Explanation

Same as above: R = 1.5 × 10 = 15 Ω.

Hint

R ∝ L/A.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 5
Type: Objective
Difficulty: Not specified
Question 398 of 1819
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