Four Charges of +10

question 3

Multiple Choice

Four charges of +10.0 µC are placed at the four corners of a square that is 50.0 cm on each side. What is the magnitude of the electric field at the centre of the square?

• A)2.9 N/C
• B)2.1 N/C
• C)0.7 N/C
• D)0 N/C

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