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PHY 102 Test Compilation PHY 102 5 Objective Question

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Electric field 2.0 m from point charge is 8.0×10⁴ N/C. Field at 4.0 m?

A 2.0×10⁴ N/C

Correct Answer

B 4.0×10⁴ N/C

C 1.6×10⁵ N/C

D 3.2×10⁴ N/C

Option A is the correct answer.

E ∝ 1/r². Double r → E becomes 1/4. 8e4/4 = 2e4 N/C.

E ∝ 1/r².

Course: PHY 102

Topic: Test Compilation PHY 102 5

Type: Objective

Difficulty: Not specified

Question 402 of 1819

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