Question Detail

PHY 102 Last Minute Prep Objective Question
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Question

A uniform electric field of 4.50kN/C passes through a rectangular surface of area 12cm by 14cm. The field makes an angle of 60° with the normal. Determine the electric flux through the surface.
Options
A 0.378 Nm²/C
B 378 Nm²/C
Correct Answer
C 378 N/C
D 378 Nm²/C
Correct Answer

Option B is the correct answer.

Detailed Explanation

A = 0.12×0.14 = 0.0168m². Φ = EAcosθ = 4500 × 0.0168 × cos60° = 37.8 Nm²/C.

Hint

Electric flux Φ = EAcosθ.

Question Info

Course: PHY 102
Topic: Last Minute Prep
Type: Objective
Difficulty: Not specified
Question 1806 of 1819
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