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PHY 102 Test Compilation PHY 102 21 Objective Question
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Question

Find the total flux (in N.m2/C) when two charges q1=15uC and q2=-17uC are placed within a spherical surface of radius 20cm.
Options
A 2.26 x 105
B -2.26 x 105
Correct Answer
C 2.26 x 10-5
D -2.26 x 10-5
Correct Answer

Option B is the correct answer.

Detailed Explanation

Q_enclosed = 15-17 = -2 uC. Phi = Q_enclosed/eps0 = (-2x10-6)/(8.85x10-12) = -2.26x105 N.m2/C. (As in Q3, the sphere's radius doesn't affect the flux - only the enclosed charge matters.)

Hint

Q_enclosed = 15-17 = -2 uC.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 21
Type: Objective
Difficulty: Not specified
Question 1295 of 1819
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