Question

(4) Consider four charged particles fixed at the corners of a square with a side length of 5 cm, see figure. The particles have charges q1--10 nC, q2 +10 nC, q3-20 nC, and q4 +10 nC. In unit vector notation, what net electric field do the particles produce at the squares center? q1 q2 q4 q3
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Answer #1

The fields are shown below The distance from charge to square center is, 3.535 m The fields are (9x10% )(10-10-6) (3.535) = 7.202 × 10 N/C (98109)(10-10-6) (3.535) 7.202 x10 N/C 9x10 20x10-6 (3.535) = 14.404×10° N/CThe net field is, = (5092.58) + (-5092.58) = 7201.9957 7202 NC =7200N/C

The fields are shown below The distance from charge to square center is, 3.535 m The fields are (9x10% )(10-10-6) (3.535) = 7.202 × 10 N/C (98109)(10-10-6) (3.535) 7.202 x10' N/C 9x10 20x10-6 (3.535) = 14.404×10° N/C

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